def std(self, ddof=<NUM_LIT:1>, *args, **kwargs):
nv.validate_resampler_func('<STR_LIT>', args, kwargs)<EOL>return self._downsample('<STR_LIT>', ddof=ddof)<EOL>
Compute standard deviation of groups, excluding missing values.

Parameters
----------
ddof : integer, default 1
    Degrees of freedom.