Informatics Practices
To calculative cumulative sum of a column of a DataFrame, you may use …………… function.
- sum()
- sum(cumulative = True)
- cumsum()
- none of these
Python Pandas
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Answer
cumsum()
Reason — The cumsum() function in pandas is used to calculate the cumulative sum of a column in a DataFrame i.e., in the output of this function, the value of each row is replaced by the sum of all prior rows, including this row.
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Related Questions
Which of the following is not a descriptive statistics function ?
- count()
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Which function calculates descriptive statistical details for a DataFrame ?
- info()
- describe()
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- max()
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To get top 5 rows of a DataFrame, you may use …………… function.
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