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Pandas DataFrame: diff() function

DataFrame - diff() function

The diff() function calculates the difference of a DataFrame element compared with another element in the DataFrame.

Syntax:

DataFrame.diff(self, periods=1, axis=0)

Parameters:

Name Description Type/Default Value Required / Optional
periods  Periods to shift for calculating difference, accepts negative values. int
Default Value: 1		 Required
axis    Take difference over rows (0) or columns (1). {0 or ‘index’, 1 or ‘columns’}
Default Value: 0		 Required

Returns: DataFrame

Example:


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