pandas.Series.sem#
- Series.sem(axis=None, skipna=True, ddof=1, numeric_only=False, **kwargs)[source]#
- Return unbiased standard error of the mean over requested axis. - Normalized by N-1 by default. This can be changed using the ddof argument - Parameters
- axis{index (0)}
- For Series this parameter is unused and defaults to 0. 
- skipnabool, default True
- Exclude NA/null values. If an entire row/column is NA, the result will be NA. 
- ddofint, default 1
- Delta Degrees of Freedom. The divisor used in calculations is N - ddof, where N represents the number of elements. 
- numeric_onlybool, default False
- Include only float, int, boolean columns. Not implemented for Series. 
 
- Returns
- scalar or Series (if level specified)