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Which of the following object has a method cov to compute covariance between series?

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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

I have been asked this question in semester exam.

My doubt stems from Computational tools in section Data Analysis with Python of Data Science

1 Answer

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Best answer
Right option is (a) Series

Best explanation: DataFrame has a method cov to compute pairwise covariances among the series in the DataFrame, also excluding NA/null values.

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