JOBSEEKERS
Login
Sign Up
Jobseeker
Employer
Staffing Firm
Direct Client
Computational Analysis interview questions
Computational Analysis interview questions
Back
Take as many assements as you can to improve your validate your skill rating
Total Questions: 5
1. Which of the following is used to compute the percent change over a given number of periods ?
A. pct_change
B. percent_change
C. per_change
D. none of the Mentioned
Show Correct Answer
Correct Answer is :
pct_change
2. Point out the correct statement:
A. Pandas represents timestamps in microsecond resolution
B. Pandas is 100% thread safe
C. For Series and DataFrame objects, var normalizes by N-1 to produce unbiased estimates
D. All of the Mentioned
Show Correct Answer
Correct Answer is :
For Series and DataFrame objects, var normalizes by N-1 to produce unbiased estimates
3. Which of the following object has a method cov to compute covariance between series ?
A. Series
B. DataFrame
C. Panel
D. None of the Mentioned
Show Correct Answer
Correct Answer is :
Series
4. Which of the following specifies the required minimum number of observations for each column pair in order to have a valid result ?
A. min_periods
B. max_periods
C. minimum_periods
D. all of the Mentioned
Show Correct Answer
Correct Answer is :
min_periods
5. Point out the wrong statement:
A. lxml is very fast
B. lxml requires Cython to install correctly
C. lxml does not make any guarantees about the results of it’s parse
D. none of the Mentioned
Show Correct Answer
Correct Answer is :
lxml does not make any guarantees about the results of it’s parse
Similar Interview Questions
Search for latest jobs
Find Jobs