Forecast for a single cutoff. Used in cross_validation function when evaluating for multiple cutoffs.
single_cutoff_forecast(df, model, cutoff, horizon.dt, predict_columns)
Dataframe with history for cutoff.
Prophet model object.
Datetime of cutoff.
timediff forecast horizon.
Array of names of columns to be returned in output.
Dataframe with forecast, actual value, and cutoff.