BUG/TST: Include sem & count in all_numeric_reductions by mroeschke · Pull Request #49759 · pandas-dev/pandas (original) (raw)

nanvar(values, axis=axis, skipna=skipna, ddof=ddof, mask=mask)
mask = _maybe_get_mask(values, skipna, mask)
if not is_float_dtype(values.dtype):
values = values.astype("f8")
count, _ = _get_counts_nanvar(values.shape, mask, axis, ddof, values.dtype)
var = nanvar(values, axis=axis, skipna=skipna, ddof=ddof)
return np.sqrt(var) / np.sqrt(count)