DataFrame.reset_index(level=None, drop=False, inplace=False, col_level=0, col_fill='')

Panel.interpolate(method='linear', axis=0, limit=None, inplace=False, limit_direction='forward', downcast=None, **kwargs)

Series.multiply(other, level=None, fill_value=None, axis=0)

Series.head(n=5)

CategoricalIndex.max(*args, **kwargs)

CategoricalIndex.is_categorical()

DatetimeIndex.is_object()

pandas.date_range(start=None, end=None, periods=None, freq='D', tz=None, normalize=False, name=None, closed=None, **kwargs)

DataFrame.last_valid_index()

DataFrameGroupBy.cov(min_periods=None) Compute pairwise covariance of columns, excluding NA/null values