def var(self, ddof=1, *args, **kwargs): """ Compute variance of groups, excluding missing values Parameters ---------- ddof : integer, default 1 degrees of freedom """ nv.validate_resampler_func('var', args, kwargs) return self._downsample('var', ddof=ddof)
def std(self, ddof=1, *args, **kwargs): """ Compute standard deviation of groups, excluding missing values Parameters ---------- ddof : integer, default 1 degrees of freedom """ nv.validate_resampler_func('std', args, kwargs) return self._downsample('std', ddof=ddof)
def f(self, _method=method, *args, **kwargs): nv.validate_resampler_func(_method, args, kwargs) return self._downsample(_method)