Question: What will the following Python statement do , assuming that it runs without an error? df . drop ( df . std ( ) [

What will the following Python statement do, assuming that it runs without an error?
df.drop(df.std()[df.std()==0].index, axis =1)
Drop the numerical variables with zero variance
Drop both the categorical and numerical variables with zero variance
None of the options
Drop the variables with zero weighted average

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Q:

PYTHON: Please look over Q3 I keep getting an error and dk what is wrong and solve 4-6. Solve ALL for ratings Question 3 (10 points) For any data frame df and its column entitled ' xyz ', the...

Q:

Which of the following is the correct label for the shaded cell region? A2:D5 B2:D2 D2:D5 B2:D5 Question 2 Calculate the following dot product between two vectors. (9,5,6,8)(2,9,4,2) Question 3 Which...

Q:

Question 4 Read the following case extract and answer ALL questions that follow. The survival of businesses in the 21st century depends largely on organisational climate. The organisational...

Q:

Solutions from Montgomery, D. C. (2012) Design and Analysis of Experiments, Wiley, NY Chapter 6 k The 2 Factorial Design Solutions 6.1. An engineer is interested in the effects of cutting speed (A),...

Q:

1. If extreme values occur in the data set, which of the following measures of central tendency are the most appropriate A. B. C. D. E. 2. The The The The The mean median mode variance standard...

Q:

Possible Multiple Choice Questions for the Exam. Focus on the topics discussed in class. Chapter 1 Multiple Choice Identify the choice that best completes the statement or answers the question. ____...

Q:

The Impact of Macroeconomic Variables on Stock Prices in Kuwait Ahmad M. Al-Kandari & Sadeq J. Abul Abstract The Kuwaiti Stock Exchange was established in April 1977 and is among the oldest stock...

Q:

Final Exam MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. 1) The average age of the students in a statistics class is 22...

Q:

Business memorelating to Audit. All questions and materials needed are attached. Please, ensure you are familiar with auditing before accepting this project. Thank you. THE ACCOUNTING REVIEW Vol. 90,...

Q:

Final Exam MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Solve the problem. 1) The average age of the students in a statistics class is 22...

Q:

Prepare the entry to record income taxes on December 31, 2011, assuming that Jason Corporations income tax expense is $120,000 and that it owes $80,000 in income taxes to the government. Prepare the...

Q:

The function f, where f(t) = 2t + 2t +3, gives the altitude of the plane in thousands of feet above sea level t minutes after take-off. a. What is the plane's altitude 1 minutes after take-off? 7...

Q:

The U . S first became a net exporter of ethanol in the 1 9 8 0 s . Group of answer choices True False

Q:

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

Q:

3. Discuss the process of behavior modeling training.

Q:

1. What are the strengths and weaknesses of the lecture, the case study, and behavior modeling?

Q:

7. What are some reasons why on-the-job training can prove ineffective? What can be done to ensure its effectiveness?