bach.SeriesAbstractNumeric.sem

sem​

(partition=None, skipna=True, ddof=None, **kwargs)

​[source]

Get the unbiased standard error of the mean. Normalized by N-1 by default.

Parameters​

  • partition (Union[GroupBy, DataFrame]) – The partition or window to apply
  • skipna (bool) – Exclude NA/NULL values
  • ddof (int) – Delta degrees of freedom. he divisor used in calculations is N - ddof, where N represents the number of elements