Rolling.cov(other=None, pairwise=None, ddof=1, **kwargs)

Series.cat.as_unordered(*args, **kwargs)

Panel.eq(other, axis=None)

Panel4D.truncate(before=None, after=None, axis=None, copy=True)

Series.dtype return the dtype object of the underlying data

DataFrame.resample(rule, how=None, axis=0, fill_method=None, closed=None, label=None, convention='start', kind=None, loffset=None, limit=None

Series.astype(dtype, copy=True, raise_on_error=True, **kwargs)

Styler.highlight_null(null_color='red')

DataFrame.plot.hist(by=None, bins=10, **kwds)

DataFrame.replace(to_replace=None, value=None, inplace=False, limit=None, regex=False, method='pad', axis=None)