Interview question based on skill :
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Total Questions: 5
1. Which of the following is used to compute the percent change over a given number of periods ?
Correct Answer is : pct_change
2. Point out the correct statement:
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 ?
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 ?
Correct Answer is : min_periods
5. Point out the wrong statement:
Correct Answer is : lxml does not make any guarantees about the results of it’s parse
