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

Styler.set_uuid(uuid)

DataFrame.notnull()

TimedeltaIndex.base return the base object if the memory of the underlying data is shared

MultiIndex.item()

DataFrame.clip_lower(threshold, axis=None)

DatetimeIndex.to_native_types(slicer=None, **kwargs)

Panel.cummax(axis=None, skipna=True, *args, **kwargs)

Series.align(other, join='outer', axis=None, level=None, copy=True, fill_value=None, method=None, limit=None, fill_axis=0, broadcast_axis=None)

Series.str.isspace()