statsmodels.tsa.deterministic.Seasonality.from_index¶ classmethod Seasonality.from_index(index)[source]¶ Construct a seasonality directly from an index using its frequency. Parameters:¶ index : {DatetimeIndex, PeriodIndex}¶An index with its frequency (freq) set. Returns:¶ The initialized Seasonality instance. Return type:¶ Seasonality