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adding no history error handling to cross_validation (#2140)

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Julian Carrasquillo 2022-05-22 13:12:46 -04:00 committed by GitHub
parent 0a44095570
commit cc5484c4e3
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1 changed files with 4 additions and 1 deletions
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python/prophet/diagnostics.py
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@ -114,7 +114,10 @@ def cross_validation(model, horizon, period=None, initial=None, parallel=None, c
-------
A pd.DataFrame with the forecast, actual value and cutoff.
"""
if model.history is None:
raise Exception('Model has not been fit. Fitting the model provides contextual parameters for cross validation.')
df = model.history.copy().reset_index(drop=True)
horizon = pd.Timedelta(horizon)