[Week 1-4] NPTEL Python For Data Science Assignment Answers 2023
NPTEL Python For Data Science Assignment Answers
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NPTEL Python For Data Science Week 4 Assignment Answer 2023
1. Which of the following are regression problems? Assume that appropriate data is given.
- Predicting the house price.
- Predicting w h ether it will rain or not on a given day.
- Predicting the maximum temperature on a g iven day.
- Predicting the sales of the ice-creams.
2. Which of the followings are binary classification problems?
- Predicting whether a patient is diagnosed with cancer or not.
- Predicting whether a team will win a tournament or not.
- Predicting the price of a second-hand car.
- Classify web text into one of the follow in g categories: Sports, Entertainment, or Technology.
3. If a linear regression model achieves zero training error, can we say that all the data points lie on a hyperplane in the (d+1)-dimensional space? Here, d is the nu m ber of features.
Read the information given below and answer the questions from 4 to 6: Data Description: An automotive service chain is launching its new grand service station this weekend. They offer to service a wide variety of cars. The current capacity of the station is to check 315 cars thoroughly per day. As an inaugural offer, they claim to freely check all cars that arrive on their launch day, and report whether they need servicing or not!
Unexpectedly, they get 450 cars. The servicemen will not work longer than the working hours, but the data analysts have to!
Can you save the day for the new service station?
How can a data scientist save the day for them?
He has been given a data set, ‘ ServiceTrain.csv ’ that contains some attributes of the car that can be easily measured and a conclusion that if a service is needed or not.
Now for the cars they cannot check in detail, they measure those attributes and store them in ‘ ServiceTest.csv ’
Problem Statement:
Use machine learning techniques to identify whether the cars require service or not
Read the given datasets ‘ ServiceTrain.csv ’ and ‘ ServiceTest.csv ’ as train data and test data respectively and import all the required packages for analysis.
4. Which of the following machine learning techniques would NOT be ap p ropriate to solve the problem given in the problem statement?
- Random Forest
- Logisti c Regression
- Linear regression
5. After applying logistic regression, what is/are the correct observat ion s from the resultant confusion matrix?
- True Positive = 29, True Negative = 94
- True Positive = 94, Tr u e Negative = 29
- False Positive = 5, True Negative = 94
- None of the above
Prepare the data by following th e steps given below, and answer questions 6 and 7.
- Encode categorical variable, Service – Yes as 1 and No as 0 for both the train and test datasets.
- Split the set of independent features and the dependent feature on both the train and test datasets.
- Set random_state for the instance of the logistic regression class as 0.
6. The logistic regression model built between the input and output variables is checked for its prediction accuracy of the test data. What is the accuracy range (in %) of the predictions made over test dat a ?
- 60 – 79
- 90 – 9 5
7. How are categorical variables preprocessed before m odel building?
- Standardization
- Dummy var i ables
- Correlation
The Global Happiness Index report contains the Happiness Score data w i th multiple features (namely the Economy, Family, Health, and Freedom) that could affect the target variable value.
Prepare the data by following the steps g iven below, and answer question 8
- Split the set of independent features and the dependent feature on the given dataset
- Create training and testing data from the set of independent features and dependent feature by splitting the original data in the ratio 3:1 respectively, and set the value for random_state of the training/test split method’s instance as 1
8. A multiple linear regression model is built on the Global Happiness Index dat a set ‘GHI_Report.csv’. What is the RMSE of the baseline model?
9. A regression model with the following function y=60+5.2x was built to understand the impact of humidity (x) on rainfall (y). The humidity this week is 30 more than the previous week. Wh a t is the predicted difference in rainfall?
10. X and Y are two variables that have a strong linear relationship. Whi c h of the following statements are incorrect?
- There cannot be a negative relationship between the two variables.
- The relationship between the two variables is purely causal.
- One variable may or may not cause a change in the other variable.
- The variables can be positively or negativel y correlated with each other
NPTEL Python For Data Science Week 3 Assignment Answer 2023
1. Which of the following is the correct approach to fill missing values in case of categorical variable?
2. Of the following set of statements, which of them can be used to extract the column Type as a separate dataframe?
- df_cars[[‘Type’]]
- df_cars.iloc[[:, 1]
- df_cars.loc[:, [‘Type’]]
3. The method df_cars.describe() will give description of which of the following column?
- Price (in lakhs)
- All of the above
4. Which pandas function is used to stack the dataframes vertically?
- pd.concat()
5. Which of the following are libraries in Python?
6. Which of the following variable have null values?
- Review Date
7. Which of the following countries have maximum locations of cocoa manufacturing companies?
8. After checking the data summary, which feature requires a data conversion considering the data values held?
- Review date
- Bean origin
9. What is the maximum rating of chocolates?
- [bool, int, float, float, str]
- [str, int, float, float, str]
- [bool, int, float, int, str]
- [bool, int, int, float, str]
NPTEL Python For Data Science Week 2 Assignment Answer 2023
1. Which of the following object does not support ind e xing?
- dict i onary
2. Given a NumPy array, arr = np.array([[[1, 2, 3], [4, 5, 6], [7, 8, 9]]]), what is the output of the command, print(arr[0][1])?
- [[1 2 3] [4 5 6] [7 8 9]
3. What is the output of the following code?
- [2, 3, 4, 5]
- [1, 2, 3, 4]
- Will throw an error: Set objects are no t iterable.
5. Which of the following code gives output My friend’s house is in Chennai?
6. Let t1=(1,2, “tuple”,4) and t2=(5,6,7). Which of the follo w ing will not give any error after the execution?
- t1.append(5)
- x=t2[t1[1]]
- t3=(t1 , t2)
- t3=(list(t1), list(t2))
7. Let d={1:“Pyhton”,2:[1,2,3]}. Which among the fol l owing will not give the error after the execution?
- d[2].append(4)
- d.update({‘one’ : 22})
8. Wh i ch of the following data type is immutable?
9. student = {‘name’: ‘Jane’, ‘age’: 25 , ‘courses’: [‘Math’, ‘Statistics’]} Which among the following will return {‘name’: ‘Jane’, ‘age’: 26, ‘courses’: [‘Math’ , ‘Statistics’], ‘phone’: ‘123-456’}?
- student.update({‘age’ : 26})
- student.update({‘age’ : 26, ‘phone’: ‘123-456’})
- student[‘phone’] = ‘123-456’
[‘M’, ‘A’, ‘H’, ‘E’, ‘S’, ‘H’] [‘m’, ‘a’, ‘h’, ‘e’, ‘s’ , ‘h’] [‘M’, ‘a’, ‘h’, ‘e’, ‘s’, ‘h’] [‘m’, ‘A’, ‘H’, ‘E’, ‘S’, ‘H’]
NPTEL Python For Data Science Week 1 Assignment Answer 2023
- Error: Invalid operation, unsupported operator ‘*’ used between ‘int’ and ‘str’
- Code will throw an error.
4. Which of the following variable names are INVALID in Python?
- variable_ 1
5. While naming the variable, use of any special character other than unders c ore(_) ill throw which type of error?
- Syntax error
- Value er r or
- Index error
6. Let x = “Mayur”. Which of the following commands converts the ‘x’ to float datatype?
- str(float,x)
- x.flo a t()
- Cannot convert a string to float data type
7. Which Python library is commonly used for data wrangling and manipulation?
9. Given two variables, j = 6 and g = 3.3. If both normal division and floor division operators were used to divide j by g, what would be the data type of the value obtained from the operations?
- float, float
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Python for Data Science NPTEL | Week 4
Session: JAN-APR 2024/ JULY-DEC 2023
Course name: Python For Data Science
Course Link: Click Here
These are NPTEL Python for Data Science Assignment 4 Answers
Q1. Which of the following are regression problems? Assume that appropriate data is given. Predicting the house price. Predicting whether it will rain or not on a given day. Predicting the maximum temperature on a given day. Predicting the sales of the ice-creams.
Answer: a, c, d
Q2. Which of the followings are binary classification problems? Predicting whether a patient is diagnosed with cancer or not. Predicting whether a team will win a tournament or not. Predicting the price of a second-hand car. Classify web text into one of the following categories: Sports, Entertainment, or Technology.
Answer: a, b
Q3. If a linear regression model achieves zero training error, can we say that all the data points lie on a hyperplane in the (d+1)-dimensional space? Here, d is the number of features. Yes No
Answer: Yes
Q4. Which of the following machine learning techniques would NOT be appropriate to solve the problem given in the problem statement? kNN Random Forest Logistic Regression Linear regression
Answer: Linear regression
Q5. After applying logistic regression, what is/are the correct observations from the resultant confusion matrix? True Positive = 29, True Negative = 94 True Positive = 94, True Negative = 29 False Positive = 5, True Negative = 94 None of the above
Answer: a, c
Q6. The logistic regression model built between the input and output variables is checked for its prediction accuracy of the test data. What is the accuracy range (in %) of the predictions made over test data? 60 – 79 90 – 95 30 – 59 80 – 89
Answer: 90 – 95
Q7. How are categorical variables preprocessed before model building? Standardization Dummy variables Correlation None of the above
Answer: Dummy variables
Q8. A multiple linear regression model is built on the Global Happiness Index dataset ‘GHI_Report.csv’. What is the RMSE of the baseline model? 2.00 0.50 1.06 0.75
Answer: 1.06
Q9. A regression model with the following function y=60+5.2x was built to understand the impact of humidity (x) on rainfall (y). The humidity this week is 30 more than the previous week. What is the predicted difference in rainfall? 156 mm 15.6 mm -156 mm None of the above
Answer: 156 mm
Q10. X nd Y are two variables that have a strong linear relationship. Which of the following statements are incorrect? There cannot be a negative relationship between the two variables. The relationship between the two variables is purely causal. One variable may or may not cause a change in the other variable. The variables can be positively or negatively correlated with each other.
More Weeks of Python for Data Science: Click here
More Nptel Courses: Click here
Session: JAN-APR 2023
Course Name: Python for Data Science
Q1. Which of the following are regression problems? Assume that appropriate data is given. a. Predicting the house price. b. Predicting whether it will rain or not on a given day. c. Predicting the maximum temperature on a given day. d. Predicting the sales of the ice-creams.
Q2. Which of the followings are binary classification problems? a. Predicting whether a patient is diagnosed with cancer or not. b. Predicting whether a team will win a tournament or not. c. Predicting the price of a second-hand car. d. Classify web text into one of the following categories: Sports, Entertainment, or Technology.
Q3. If a linear regression model achieves zero training error, can we say that all the data points lie on a hyperplane in the (d+1)-dimensional space? Here, d is the number of features. a. Yes b. No
Answer: a. Yes
Read the information given below and answer the questions from 4 to 6: Data Description: An automotive service chain is launching its new grand service station this weekend.They offer to service a wide variety of cars. The current capacity of the station is to check 315 cars thoroughly per day. As an inaugural offer, they claim to freely check all cars that arrive on their launch day, and report whether they need servicing or not! Unexpectedly, they get 450 cars. The servicemen will not work longer than the working hours, but the data analysts have to!
Can you save the day for the new service station? How can a data scientist save the day for them? He has been given a data set, ‘ServiceTrain.csv’ that contains some attributes of the car that can be easily measured and a conclusion that if a service is needed or not. Now for the cars they cannot check in detail, they measure those attributes and store them in ‘ ServiceTest.csv ’ Problem Statement: Use machine learning techniques to identify whether the cars require service or not Read the given datasets ‘ ServiceTrain.csv ’ and ‘ ServiceTest.csv ’ as train data and test data respectively and import all the required packages for analysis.
Q4. Which of the following machine learning techniques would NOT be appropriate to solve the problem given in the problem statement? a. kNN b. Random Forest c. Logistic Regression d. Linear regression
Answer: d. Linear regression
Prepare the data by following the steps given below, and answer questions 6 and 7.
- Encode categorical variable, Service – Yes as 1 and No as 0 for both the train and test datasets.
- Split the set of independent features and the dependent feature on both the train and test datasets.
- Set random_state for the instance of the logistic regression class as 0.
Q5. After applying logistic regression, what is/are the correct observations from the resultant confusion matrix? a. True Positive = 29, True Negative = 94 b. True Positive = 94, True Negative = 29 c. False Positive = 5, True Negative = 94 d. None of the above
Q6. The logistic regression model built between the input and output variables is checked for its prediction accuracy of the test data. What is the accuracy range (in %) of the predictions made over test data? a. 60 – 79 b. 90 – 95 c. 30 – 59 d. 80 – 89
Answer: b. 90 – 95
Q7. How are categorical variables preprocessed before model building? a. Standardization b. Dummy variables c. Correlation d. None of the above
Answer: b. Dummy variables
The Global Happiness Index report contains the Happiness Score data with multiple features (namely the Economy, Family, Health, and Freedom) that could affect the target variable value. Prepare the data by following the steps given below, and answer question 8
- Split the set of independent features and the dependent feature on the given dataset
- Create training and testing data from the set of independent features and dependent feature by splitting the original data in the ratio 3:1 respectively, and set the value for random_state of the training/test split method’s instance as 1
Q8. A multiple linear regression model is built on the Global Happiness Index dataset “GHI Report.csv”. What is the RMSE of the baseline model? a. 2.00 b. 0.50 c. 1.06 d. 0.75
Answer: c. 1.06
Q9. A regression model with the following function y = 60 + 5.2x was built to understand the impact of humidity (x) on rainfall (y). The humidity this week is 30 more than the previous week. What is the predicted difference in rainfall? a. 156 mm b. 15.6 mm c. -156 mm d. None of the above
Answer: a. 156 mm
Q10. X and Y are two variables that have a strong linear relationship. Which of the following statements are incorrect? a. There cannot be a negative relationship between the two variables. b. The relationship between the two variables is purely causal. c. One variable may or may not cause a change in the other variable. d. The variables can be positively or negatively correlated with each other.
More Weeks of Python for Data Science NPTEL: Click here
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Session: JULY-DEC 2022
Course name: Python for Data Science
Link to Enroll: Click Here
Q1. The power consumption of an individual house in a residential complex has been recorded for the previous year. This data is analysed to predict the power consumption for the next year. Under which type of machine learning problem does this fall under? a. Classification b. Regression c. Reinforcement Learning d. None of the above
Answer: b. Regression
Q2. A dataset contains data collected by the Tamil Nadu Pollution Control Board on environmental conditions (154 variables) from one of their monitoring stations. This data is further analyzed to understand the most significant factors that affect the Air Quality Index. The predictive algorithm that can be used in this situation is __________. a. Logistic Regression b. Simple Linear Regression c. Multiple Linear Regression d. None of the above
Answer: c. Multiple Linear Regression
Q3. A regression model with the following function y = 60 + 5.2x was built to understand the impact of humidity (x) on rainfall (y). The humidity this week is 30 more than the previous week. What is the predicted difference in rainfall? a. 156 mm b. 15.6 mm c. -156 mm d. None of the above
5. The plot shown below denotes the percentage distribution of the target column values within the train_data dataframe. Which of the following options are correct?
a. Yes > 20, No > 60 b. No > 70, Yes > 20 c. Yes > 30, No > 70 d. Yes > 70, No > 30
Answer: b. No > 70, Yes > 20
Q6. After applying logistic regression, what is/are the correct observations from the resultant confusion matrix? a. True Positive = 29, True Negative = 94 b. True Positive = 94, True Negative = 29 c. False Positive = 5, True Negative = 94 d. None of the above
Answer: b. True Positive = 94, True Negative = 29
Q7. The logistic regression model built between the input and output variables is checked for its prediction accuracy of the test data. What is the accuracy range (in %) of the predictions made over test data? a. 60 – 79 b. 90 – 95 c. 30 – 59 d. 80 – 89
Answer: b. 90 – 95
Q8. How are categorical variables preprocessed before model building? a. Standardization b. Dummy variables c. Correlation d. None of the above
Q9. A multiple linear regression model is built on the Global Happiness Index dataset “GHI_Report.csv”. What is the RMSE of the baseline model? a. 2.00 b. 0.50 c. 1.06 d. 0.75
10. X and Y are two variables that have a strong linear relationship. Which of the following statements are incorrect? a. There cannot be a negative relationship between the two variables. b. The relationship between the two variables is purely causal. c. One variable may or may not cause a change in the other variable. d. The variables can be positively or negatively correlated with each other.
Python for Data Science NPTEL All weeks: https://progies.in/answers/nptel/python-for-data-science
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NPTEL Python for Data Science Assignment 4 Answers 2023
NPTEL Python for Data Science Assignment 4 Answers 2023:- All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.
NPTEL Python For Data Science Week 4 Assignment Answer 2023
1. Which of the following are regression problems? Assume that appropriate data is given.
- Predicting the house price.
- Predicting w h ether it will rain or not on a given day.
- Predicting the maximum temperature on a g iven day.
- Predicting the sales of the ice-creams.
2. Which of the followings are binary classification problems?
- Predicting whether a patient is diagnosed with cancer or not.
- Predicting whether a team will win a tournament or not.
- Predicting the price of a second-hand car.
- Classify web text into one of the follow in g categories: Sports, Entertainment, or Technology.
3. If a linear regression model achieves zero training error, can we say that all the data points lie on a hyperplane in the (d+1)-dimensional space? Here, d is the nu m ber of features.
Read the information given below and answer the questions from 4 to 6: Data Description: An automotive service chain is launching its new grand service station this weekend. They offer to service a wide variety of cars. The current capacity of the station is to check 315 cars thoroughly per day. As an inaugural offer, they claim to freely check all cars that arrive on their launch day, and report whether they need servicing or not!
Unexpectedly, they get 450 cars. The servicemen will not work longer than the working hours, but the data analysts have to!
Can you save the day for the new service station?
How can a data scientist save the day for them?
He has been given a data set, ‘ ServiceTrain.csv ’ that contains some attributes of the car that can be easily measured and a conclusion that if a service is needed or not.
Now for the cars they cannot check in detail, they measure those attributes and store them in ‘ ServiceTest.csv ’
Problem Statement:
Use machine learning techniques to identify whether the cars require service or not
Read the given datasets ‘ ServiceTrain.csv ’ and ‘ ServiceTest.csv ’ as train data and test data respectively and import all the required packages for analysis.
4. Which of the following machine learning techniques would NOT be ap p ropriate to solve the problem given in the problem statement?
- Random Forest
- Logisti c Regression
- Linear regression
5. After applying logistic regression, what is/are the correct observat ion s from the resultant confusion matrix?
- True Positive = 29, True Negative = 94
- True Positive = 94, Tr u e Negative = 29
- False Positive = 5, True Negative = 94
- None of the above
Prepare the data by following th e steps given below, and answer questions 6 and 7.
- Encode categorical variable, Service – Yes as 1 and No as 0 for both the train and test datasets.
- Split the set of independent features and the dependent feature on both the train and test datasets.
- Set random_state for the instance of the logistic regression class as 0.
6. The logistic regression model built between the input and output variables is checked for its prediction accuracy of the test data. What is the accuracy range (in %) of the predictions made over test dat a ?
- 60 – 79
- 90 – 9 5
7. How are categorical variables preprocessed before m odel building?
- Standardization
- Dummy var i ables
- Correlation
The Global Happiness Index report contains the Happiness Score data w i th multiple features (namely the Economy, Family, Health, and Freedom) that could affect the target variable value.
Prepare the data by following the steps g iven below, and answer question 8
- Split the set of independent features and the dependent feature on the given dataset
- Create training and testing data from the set of independent features and dependent feature by splitting the original data in the ratio 3:1 respectively, and set the value for random_state of the training/test split method’s instance as 1
8. A multiple linear regression model is built on the Global Happiness Index dat a set ‘GHI_Report.csv’. What is the RMSE of the baseline model?
9. A regression model with the following function y=60+5.2x was built to understand the impact of humidity (x) on rainfall (y). The humidity this week is 30 more than the previous week. Wh a t is the predicted difference in rainfall?
10. X and Y are two variables that have a strong linear relationship. Whi c h of the following statements are incorrect?
- There cannot be a negative relationship between the two variables.
- The relationship between the two variables is purely causal.
- One variable may or may not cause a change in the other variable.
- The variables can be positively or negativel y correlated with each other
About Python For Data Science
The course aims at equipping participants to be able to use python programming for solving data science problems. CRITERIA TO GET A CERTIFICATE Average assignment score = 25% of the average of the best 3 assignments out of the total 4 assignments given in the course. Exam score = 75% of the proctored certification exam score out of 100 Final score = Average assignment score + Exam score YOU WILL BE ELIGIBLE FOR A CERTIFICATE ONLY IF AVERAGE ASSIGNMENT SCORE >=10/25 AND EXAM SCORE >= 30/75. If one of the 2 criteria is not met, you will not get the certificate even if the Final score >= 40/100.
NPTEL Python for Data Science Assignment 4 Answers July 2022
1. The power consumption of an individual house in a residential complex has been recorded for the previous year. This data is analysed to predict the power consumption for the next year . Under which type of machine learning problem does this fall under? a. Classification b. Regression c. Reinforcement Learning d. None of the above
2. A dataset contains data collected by the Tamil Nadu Pollution Control Board on environmental conditions (154 variables) from one of their monitoring stations. This data is further analyzed to understand the most significant factors that affect the Air Quality Index. The predictive algorithm that can be used in this situation is _______ _ ___. a. Logistic Regression b. Simple Linear Regression c. Multiple Linear Regression d . None of the above
Answers will be Uploaded Shortly and it will be Notified on Telegram, So JOIN NOW
3. A regression model with the following function y = 60 + 5.2x was built to understand the impact of humidity (x) on rainfall (y). The humidity this week is 30 more than the previous week . What is the predicted difference in rainfall? a. 156 mm b. 15.6 mm c. -156 mm d. None of the above
4. Which of the following machine learning techniques would NOT be appropriate to solve the problem given in the problem statement? a. kNN b. Random Forest c . Logistic Regression d. Linear regression
5. The plot shown below denotes the percentage distribution of the target column values within the train_data dataframe. Which of the following options are correct?
6. After applying logistic regression, what is/are the correct observations from the resultant confusion matrix? a. True Positive = 29, True Negative = 94 b. True Positive = 94, True Negative = 29 c. False Positive = 5 , True Negative = 94 d. None of the above
👇 For Week 04 Assignment Answers 👇
7. The logistic regression model built between the input and output variables is checked for its prediction accuracy of the test data. What is the accuracy range (in %) of the predictions made over test data? a. 60 – 79 b. 90 – 95 c. 30 – 59 d. 80 – 89
8. How are categorical variables preprocessed before model building? a. Standardization b. Dummy variables c. Correlation d. None of the above
9. A multiple linear regression model is built on the Global Happiness Index dataset “GHI_Report.csv”. What is the RMSE of the baseline model? a. 2.00 b. 0.50 c. 1.06 d. 0.75
10. X and Y are two variables that have a strong linear relationship. Which of the following statements are incorrect? a. There cannot be a negative relationship between the two variables. b. The relationship between the two variables is purely causal. c. One variable may or may not cause a change in the other variable . d. The variables can be positively or negatively correlated with each other.
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NPTEL Python for Data Science Assignment 4 Answers Jan 2022
Q1. How many unique values are present in the Sbal feature; also, what is the most frequent value within Sbal?
(A) 5, Rs. >= 10,000 (B) 4, Rs. < 1000 (C) 5, Rs. < 1000 (D) 4, ‘1000 <= Rs. < 5,000’
Answer:- (C) 5, Rs. < 1000
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Q2. Find the average age of those customers who have a credit history [Chist] wherein the dues are not paid earlier.
(A) 35.54 (B) 38.44 (C) 33.00 (D) None of the above
Answer:- (B) 38.44
Q3. A Logistic Regression model is built in which none of the features used are standardized. The train to test proportion is 75:25 and the random state is set to 1. The accuracy of the model is ________.
(A) Less than 50% (B) Between 50% and 60% (C) Greater than 70% (D) None of the above
Answer:- (C) Greater than 70%
Q4. Import StandardScaler() from the sklearn.preprocessing package to standardize the features. Use the same train-test proportion and the random state should be set to 1. After standardizing the logistic regression model, by what percentage has the misclassified samples changed?
(A) 11.11% (B) 3.7% (C) 20% (D) 39.2%
Answer:- (C) 20%
Q5. When KNN classification is applied on the same standardized data at the optimal value for k nearest neighbours, the accuracy achieved is ______.
(A) 64% (B) 78% (C) 76.4% (D) None of the above
Answer:- (A) 64%
Q6. A multiple linear regression model is built on the Global Happiness Index dataset “ GHI_Report.csv ”. What is the rmse of the baseline model?
(A) 1.99 (B) 0.85 (C) 1.06 (D) 0.33
Answer:- (C) 1.06
Q7. From the multiple linear regression model built on the GHI index, we get an R-squared value of _______ on the test data subset.
(A) 55.63 (B) 45.81 (C) 75.59 (D) 81.46
Answer:- (D) 81.46
Q8. Which of the following statement/s about Linear Regression is / are true?
(A) Linear Regression assumes that there exists a linear relationship between the independent variable and dependent variable. (B) The error terms are assumed to be independent and normally distributed. (C) The percentage of variation in the dependent variable as explained by the independent variable/variables is expressed by R-squared value. (D) Residuals are the product of the predicted value and the actual observed value.
Answer:- (A), (B), (C)
Q9. Which of the following statements is inaccurate about Logistic Regression?
(A) Logistic Regression doesn’t require a linear relationship between the dependent and independent variables. (B) The value of the logistic function being a probability will range between 0 and 1. (C) Cost function of Logistic Regression is also called as the Log Loss function. (D) The dependent variable can be of both numerical or categorical type just like the independent variables.
Answer:- (C) Cost function of Logistic Regression is also called as the Log Loss function.
Q10. In a KNN model, by which means do we handle categorical variables?
(A) Standardization (B) Dummy variables (C) Correlation (D) None of the above
Answer:- (B) Dummy variables
Disclaimer :- We do not claim 100% surety of solutions, these solutions are based on our sole expertise, and by using posting these answers we are simply looking to help students as a reference, so we urge do your assignment on your own.
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NPTEL Python for Data Science Assignment 4 Answers 2022:- All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.
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Knowledge of basic data science algorithms
ABOUT THE INSTRUCTOR
Prior to joining IIT Madras as a professor, Prof.Rengaswamy was a professor of Chemical Engineering and Co-Director of the Process Control and Optimization Consortium at Texas Tech University, Lubbock, USA. He was also a professor and associate professor at Clarkson University, USA and an assistant professor at IIT Bombay. His major research interests are in the areas of fault detection and diagnosis and development of data science algorithms for manufacturing industries.
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Week 1: BASICS OF PYTHON SPYDER (TOOL) • Introduction Spyder • Setting working Directory • Creating and saving a script file • File execution, clearing console, removing variables from environment, clearing environment • Commenting script files • Variable creation • Arithmetic and logical operators • Data types and associated operations
Week 2: Sequence data types and associated operations • Strings • Lists • Arrays • Tuples • Dictionary • Sets • Range
NumPy and Array
Week 3: • Pandas dataframe and dataframe related operations on Toyota Corolla dataset Reading files Exploratory data analysis Data preparation and preprocessing • Data visualization on Toyoto Corolla dataset using matplotlib and seaborn libraries Scatter plot Line plot Bar plot Histogram Box plot Pair plot •Control structures using Toyota Corolla dataset if-else family for loop for loop with if break while loop •Functions
Week 4: CASE STUDY
•Regression Predicting price of pre-owned cars •Classification Classifying personal income
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NPTEL Python for Data Science Assignment 4 Answers 2022
- by QuizXp Team
- August 24, 2022 August 24, 2022
NPTEL Python for Data Science Assignment 4 Answers :- Hello students in this article we are going to share NPTEL Python for Data Science assignment week 4 answers. All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge.
Below you can find NPTEL Python for Data Science Assignment 4 Answers
NPTEL Python for Data Science Assignment 4 Answers 2022:-
Q1. The power consumption of an individual house in a residential complex has been recorded for the previous year. This data is analysed to predict the power consumption for the next year. Under which type of machine learning problem does this fall under?
a. Classification b. Regression c. Reinforcement Learning d. None of the above
Answer : b. Regression
Q2. A dataset contains data collected by the Tamil Nadu Pollution Control Board on environmental conditions (154 variables) from one of their monitoring stations. This data is further analyzed to understand the most significant factors that affect the Air Quality Index. The predictive algorithm that can be used in this situation is ___________.
Answer : c. Multiple Linear Regression
Q3. A regression model with the following function y = 60 + 5.2x was built to understand the impact of humidity (x) on rainfall (y). The humidity this week is 30 more than the previous week. What is the predicted difference in rainfall?
Answer: a. 156 mm
Q4. Which of the following machine learning techniques would NOT be appropriate to solve the problem given in the problem statement?
Answer: d. Linear regression
Q5. The plot shown below denotes the percentage distribution of the target column values within the train_data dataframe. Which of the following options are correct?
Answer: b. No > 70, Yes > 20
Q6. After applying logistic regression, what is/are the correct observations from the resultant confusion matrix?
Answer: b. True Positive = 94, True Negative = 29
Q7. The logistic regression model built between the input and output variables is checked for its prediction accuracy of the test data. What is the accuracy range (in %) of the predictions made over test data?
Answer: b. 90 – 95
Q8. How are categorical variables preprocessed before model building?
Answer: b. Dummy variables
Q9. A multiple linear regression model is built on the Global Happiness Index dataset “GHI_Report.csv”. What is the RMSE of the baseline model?
Answer: c. 1.06
Q10. X and Y are two variables that have a strong linear relationship. Which of the following statements are incorrect?
Answer: a. There cannot be a negative relationship between the two variables
c. One variable may or may not cause a change in the other variable.
For More NPTEL Answers:- CLICK HERE
Disclaimer: We do not claim 100% surety of answers, these answers are based on our sole knowledge, and by posting these answers we are just trying to help students, so we urge do your assignment on your own.
if you have any suggestions then comment below or contact us at [email protected]
If you found this article Interesting and helpful, don’t forget to share it with your friends to get this information.NPTEL Python for Data Science Assignment 4 Answers 2022
Course Name: Python for Data Science
- About Course
- Certificate Type
- Toppers list
- Registration
Course abstract
The course aims at equipping participants to be able to use python programming for solving data science problems
Course Instructor
PROF. RAGHUNATHAN RENGASAMY
Teaching assistant(s), course duration : sep-oct 2020, view course, syllabus, enrollment : 20-may-2020 to 21-sep-2020, exam registration : 14-sep-2020 to 02-nov-2020, exam date : 18-dec-2020, course statistics will be published shortly, certificate eligible, certified category count, successfully completed, participation.
Category : Successfully Completed
Category : Elite
Category : Silver
Category : Gold
Final score calculation logic.
- Assignment Score = Average of best 3 out of 4 assignments.
- Final Score(Score on Certificate)= 50% of Exam Score +25%Unproctored programming exam score+ 25% of Assignment Score NOTE: We have taken best assignment score and unproctored Score from Both Jan and July course
PAMIR ROY 96%
ABHINAND RAJAGOPAL 93%
INDIAN INSTITUTE OF INFORMATION TECHNOLOGY, DESIGN AND MANUFACTURING, KANCHEEPURAM
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NIRO PROJECTS
NIKHIL SHETTY 89%
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EzyTax Solutions
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R SUBHA 88%
Sir M Visvesvaraya Institute of Technology
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SHREE VIDYADHIRAJ POLYTECHNIC,KUMTA
VMS PRAKASH YERUBANDI 87%
Power Grid Corporation of India Limited
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SANKAR DE 87%
Fi-Tek Pvt Ltd
ARUN KUMAR 87%
MLV Textile and Engineering College, Bhilwara
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Netaji Subhas University of Technology
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AKASH RAO 87%
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Tata Consultancy Services
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NAGASURESH THAVVA 87%
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Powergrid Corporation of India Ltd
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KONGU ENGINEERING COLLEGE
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R.M.K.Engineering College
VISHAL R 85%
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Teoco Software Pvt Ltd
MITHILESH M 85%
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SRIYA DATLA 85%
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SHILPA J SHETTY 85%
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The NorthCap University
HARMAN SINGH 85%
GURU NANAK DEV ENGINEERING COLLEGE
ABHINAV SINGH 85%
THAKUR COLLEGE OF ENGINEERING AND TECHNOLOGY
VIDYARANI M KATIGAR 85%
GOGTE INSTITUTE OF TECHNOLOGY
SANGEETHA B 85%
ATIF FARIDI 85%
Eliting Bots
MADHUR MUNJAL 84%
Infoedge India
SUPRATEEK SHUKLA 84%
Laminaar Aviation Infotech (India) Pvt. Ltd.
SUNNY KUMAR AKARAPU 84%
NITIN BALIRAM SAWANT 84%
VIKASH KUMAR SINGH 84%
Tata Consultance Services
KALAIVANI K S 84%
DARSHAN MANISH KALE 84%
PIMPRI CHINCHWAD COLLEGE OF ENGINEERING & RESEARCH
DR MANISHA SATISH DIVATE 84%
Usha Pravin Gandhi College of Arts, Science and Commerce
AKSHAT MANTRY 84%
UNIVERSITY OF ENGINEERING & MANAGEMENT (UEM)
JAI NARESH SHAH 84%
PRAMOD SHRIRANG GOLE 84%
SSNC Globeop Financial services India pvt. lmtd
RIKDEV MANDAL 84%
ADITYA GUPTA 84%
INDIAN INSTITUTE OF INFORMATION TECHNOLOGY, UNA (HP)
TABINDA 84%
SSM COLLEGE OF ENGINEERING
RAJEE A M 84%
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MADHAVAN V 84%
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UCCC & SPBCBA & SDHG COLLEGE OF BCA & IT
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Enrollment Statistics
Total enrollment: 41911, registration statistics, total registration : 2531, assignment statistics, score distribution graph - legend, assignment score: distribution of average scores garnered by students per assignment., exam score : distribution of the final exam score of students., final score : distribution of the combined score of assignments and final exam, based on the score logic..
Python for Data Science
Note: This exam date is subjected to change based on seat availability. You can check final exam date on your hall ticket.
Page Visits
Course layout.
- Reading files
- Exploratory data analysis
- Data preparation and preprocessing
- Scatter plot
- if-else family
- for loop with if break
- Predicting price of pre-owned cars
- Classifying personal income
Books and references
Instructor bio.
Prof. Ragunathan Rengasamy
Course certificate.
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#pythonfordatascience #nptel #swayam #python #datascience Course - Python For Data ScienceAssignment - Week 4Last Date - 2024-02-21, 23:59 ISTExam Date - 24 ...
#pythonfordatascience #nptel #swayam #python #datascience Python for Data Science All week Assignment Solution - https://www.youtube.com/playlist?list=PL__28...
The course aims at equipping participants to be able to use python programming for solving data science problems.INTENDED AUDIENCE : Final Year Undergraduate...
Python for Data Science: Reminder for Assignment 1 & 2 deadline!! Dear Learners, The Deadline for Assignments 1 & 2 will close on Wednesday, [07/02/2024], 23:59 IST. Kindly submit the assignments before the deadline. Thanks and Regards, -NPTEL Team.
Solutions and exemplary problems coded while attending a 4 weeks course in data science using Python offered by Indian Institute of Technology Madras, India. Python for Data Science. By Prof. Ragunathan Rengasamy | IIT Madras. Course Begin: July 25, 2022. Course Exam (Programming Test): September 16, 2022 (Duration of the session will be 3 hrs ...
Answer :- a, c. Prepare the data by following th e steps given below, and answer questions 6 and 7. Encode categorical variable, Service - Yes as 1 and No as 0 for both the train and test datasets. Split the set of independent features and the dependent feature on both the train and test datasets.
Answer: d. Linear regression. These are NPTEL Python for Data Science Assignment 4 Answers. Prepare the data by following the steps given below, and answer questions 6 and 7. Encode categorical variable, Service - Yes as 1 and No as 0 for both the train and test datasets.
Mastering python for data science, Samir Madhavan. Instructor bio. Prof. Ragunathan Rengasamy ... • Average assignment score = 25% of average of best 3 assignments out of the total 4 assignments given in the ... photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Madras .It will be e-verifiable ...
Answer :- For Answer Click Here. Prepare the data by following th e steps given below, and answer questions 6 and 7. Encode categorical variable, Service - Yes as 1 and No as 0 for both the train and test datasets. Split the set of independent features and the dependent feature on both the train and test datasets.
Full course on python for data science from NPTEL along with notes - oojas/Python-for-data-science-NPTEL-Skip to content. Toggle navigation. Sign in Product Actions. Automate any workflow Packages ... PDS_Assignment_0_Solution v.1.pdf. PDS_Assignment_0_Solution v.1.pdf ...
NPTEL 2021: Python For Data Science Week 4 Quiz Answers Assignment 4 Solutionswebsite:- www.nptelsolutions.comJoin Telegram:-https://t.me/npte_2021NPTEL 2021...
The course aims at equipping participants to be able to use python programming for solving data science problems. INTENDED AUDIENCE . Final Year Undergraduates. ... Assignment score = Score more than 50% in at least 3/4 assignments. ... [email protected]. NPTEL Office, 3rd Floor, ICSR Building, IIT Madras, Chennai - 600036 ...
In this assignment you must read in a file of metropolitan regions and associated sports teams from assets/wikipedia_data.html and answer some questions about each metropolitan region. Each of these regions may have one or more teams from the "Big 4": NFL (football, in assets/nfl.csv), MLB (baseball, in assets/mlb.csv), NBA (basketball, in ...
NPTEL Python for Data Science Assignment 4 Answers:- Hello students in this article we are going to share NPTEL Python for Data Science assignment week 4 answers. All the Answers provided below to help the students as a reference, You must submit your assignment at your own knowledge. Below you can find NPTEL Python for… Read More » NPTEL ...
HELLO GUYS, So This is the solution for Assignment -4 for Python For Data Science by NPTEL.- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ...
The exam date for this course: Sep 24, 2023. 2. CLICK HERE to register for the exam. Please fill the exam form using the same Enrolled email id & make fee payment via the form, as before. 3. Choose from the Cities where exam will be conducted: Exam Cities. 4. You DO NOT have to re-enroll in the courses.
Assignment Score = Average of best 3 out of 4 assignments. Exam Score = 50% of Certification Exam Score out of 100 ... We have taken best assignment score and unproctored Score from Both Jan and July course; Python for Data Science - Toppers list. Top 1 % of Certified Candidates. ... EzyTax Solutions. ANOOP A NAIR 88%. Indian Institute of ...
Assignment 4 Solutions. assignment. Course. Data analyatics with python (20MCA31) ... Python m4; Data Science Model Question Paper 1; Data Analytics Foundation; Python Control Structures ... Vtu final front page for BGI MCA pronab; Preview text. NPTEL WEEK 4 ASSIGNMENT QUESTIONS. The power consumption of an individual house in a residential ...
NPTEL: Exam Registration is open now for Jan 2022 courses! ... Python for Data Science - Assignment-4 Solutions Released ... Week 4 Feedback Form: Python for Data Science Dear Learner Thank you for continuing with the course and hope you are enjoying it. We would like to know if the expectations with which you joined this course are being met ...
This video has assignment solution for Week 4 of NPTEL's - Python for Data Science course (Jan-Mar 2023 session).Please do comment if you have any question/d...
Mastering python for data science, Samir Madhavan. Instructor bio. Prof. Ragunathan Rengasamy ... Average assignment score = 25% of average of best 3 assignments out of the total 4 assignments given in the course. ... photograph and the score in the final exam with the breakup.It will have the logos of NPTEL and IIT Madras .It will be e ...
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