get_residuals

get_residuals(forecast_df: pandas.core.frame.DataFrame, ts: TSDataset) → TSDataset

Get residuals for further analysis.

Function keeps hierarchy, features in result dataset and removes target components.

Parameters

• forecast_df (pandas.core.frame.DataFrame) – forecasted dataframe with timeseries data

• ts (TSDataset) – dataset of timeseries that has answers to forecast

Returns

TSDataset with residuals in forecasts

Return type

new_ts

Raises

KeyError: – if segments of forecast_df and ts aren’t the same