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error in fbprophet - Printable Version

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error in fbprophet - sveto4ka - Oct-13-2019

Please, help with the error
My code:

df_train = pd.read_csv('C:\\train.csv', parse_dates=['date'])
df_train.rename(columns={'date': 'ds', 'sales': 'y'}, inplace=True)

df_trainds = df_train.pivot_table('y', index='ds',  aggfunc='sum')

df_trainds.reset_index(level=0, inplace=True)
df_trainds.head()

m = Prophet(daily_seasonality = True)
m.fit(df_trainds)
Error:
Error:
TypeErrorTraceback (most recent call last) <ipython-input-37-df4c0da508bd> in <module>() 16 17 m = Prophet(daily_seasonality = True) ---> 18 m.fit(df_trainds) 19 20 C:\Anaconda\lib\site-packages\fbprophet\forecaster.pyc in fit(self, df, **kwargs) 1001 try: 1002 params = model.optimizing( -> 1003 dat, init=stan_init, iter=1e4, **kwargs) 1004 except RuntimeError: 1005 params = model.optimizing( C:\Anaconda\lib\site-packages\pystan\model.pyc in optimizing(self, data, seed, init, sample_file, algorithm, verbose, as_vector, **kwargs) 509 data = {} 510 seed = pystan.misc._check_seed(seed) --> 511 fit = self.fit_class(data, seed) 512 513 m_pars = fit._get_param_names() stanfit4anon_model_db8febf10f23d7fa27a62fbcfd7f17b2_1845989711.pyx in stanfit4anon_model_db8febf10f23d7fa27a62fbcfd7f17b2_1845989711.StanFit4Model.__init__() TypeError: __init__() takes exactly 1 positional argument (2 given)



RE: error in fbprophet - sveto4ka - Oct-16-2019

The proplem was solved by downgrading version of pystan to 14.0 (I had 19.0, while fbprophet was version 3.0)