attributeerror: 'nonetype' object has no attribute 'predict' with ARMA model

[garba moussa]

Hi nice people

I use ARMA MODEL to forecast values but when i call predict method I have this error : attributeerror: 'nonetype' object has no attribute 'predict'

            for p in range(100):
     64                for q in range(100):
     65                    try:
     66                        self._model = ARMA(ts_arma_model, order=order).fit(full_output= False, transparams=False, disp=False)
     67                    except:
     68                        pass
     69           # self._params = self._model.self._params
     70            logger.debug('SELF MODEL %s',self._model)
     71                 #   self._model = sm.tsa.ARMA(ts, order=self._order).fit(method='mle', trend='nc')
     72            logger.info("SELF MODEL : %s", self._model)
     73            #        start_date = ts_arma_model.index[-1] + self._period
     74            #        end_date = start_date + (self._predict -1)*self._period
     75            #        forecast = self._model.predict(self._params.all, start_date.isoformat(), end_date.isoformat())
     76            #        logger.debug(forecast)
     77
     78            start_date = ts_arma_model.index[-1] + self._period
     79         #   start_date = '2018-10-18 02:19:58.314000'
     80            logger.debug('START DATE %s',start_date)
     81            end_date = start_date + (self._predict -1)*self._period
     82           # end_date = '2018-10-18 03:08:58.493000'
     83            logger.debug('END DATE %s',end_date)
     84            forecast = self._model.predict(start_date.isoformat(), end_date.isoformat())
 I have this error attributeerror: 'nonetype' object has no attribute 'predict

Thanks for your help

[josef...@gmail.com]

On Fri, Oct 19, 2018 at 7:55 AM garba moussa <garbamo...@gmail.com> wrote:

Hi nice people

I use ARMA MODEL to forecast values but when i call predict method I have this error : attributeerror: 'nonetype' object has no attribute 'predict'

            for p in range(100):
     64                for q in range(100):
     65                    try:
     66                        self._model = ARMA(ts_arma_model, order=order).fit(full_output= False, transparams=False, disp=False)

I guess this raises an exception, and then self._model is not defined.

Try without the try... except to see if there is a problem.

AFAIR, full_output=False is not allowed in some of the optimizers.

Josef

[garba moussa]

when I do what you say me josef I have this error :

ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    self.handler.end_batch(request.end)"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/tmp/kapacitor_udf/kapacitor/udf/agent/py/arma_model.py\", line 170, in end_batch"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    forecast  = self._state.arma_model()"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/tmp/kapacitor_udf/kapacitor/udf/agent/py/arma_model.py\", line 91, in arma_model"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    forecast = self._model.predict(start_date.isoformat(), end_date.isoformat())"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/base/wrapper.py\", line 95, in wrapper"
ts=2018-10-19T14:52:04.263+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    obj = data.wrap_output(func(results, *args, **kwargs), how)"
ts=2018-10-19T14:52:04.263+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/tsa/arima_model.py\", line 1506, in predict"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    return self.model.predict(self.params, start, end, exog, dynamic)"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/tsa/arima_model.py\", line 719, in predict"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    self._get_prediction_index(start, end, dynamic))"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/tsa/arima_model.py\", line 651, in _get_prediction_index"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    super(ARMA, self)._get_prediction_index(start, end, index))"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/tsa/base/tsa_model.py\", line 479, in _get_prediction_index"
ts=2018-10-19T14:52:04.280+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    raise KeyError('The `start` argument could not be matched to a'"
ts=2018-10-19T14:52:04.280+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="KeyError: 'The `start` argument could not be matched to a location related to the index of the data.'"
ts=2018-10-19T14:52:04.280+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="2018-10-19 14:52:04,280 ERROR:root: error processing request of type end: 'The `start` argument could not be matched to a location related to the index of the data.'"
ts=2018-10-19T14:52:04.280+02:00 lvl=error msg="received error message" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 err="error processing request of type end: 'The `start` argument could not be matched to a location related to the index of the data.'"

[josef...@gmail.com]

On Fri, Oct 19, 2018 at 8:53 AM garba moussa <garbamo...@gmail.com> wrote:

when I do what you say me josef I have this error :

ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    self.handler.end_batch(request.end)"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/tmp/kapacitor_udf/kapacitor/udf/agent/py/arma_model.py\", line 170, in end_batch"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    forecast  = self._state.arma_model()"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/tmp/kapacitor_udf/kapacitor/udf/agent/py/arma_model.py\", line 91, in arma_model"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    forecast = self._model.predict(start_date.isoformat(), end_date.isoformat())"
ts=2018-10-19T14:52:04.258+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/base/wrapper.py\", line 95, in wrapper"
ts=2018-10-19T14:52:04.263+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    obj = data.wrap_output(func(results, *args, **kwargs), how)"
ts=2018-10-19T14:52:04.263+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/tsa/arima_model.py\", line 1506, in predict"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    return self.model.predict(self.params, start, end, exog, dynamic)"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/tsa/arima_model.py\", line 719, in predict"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    self._get_prediction_index(start, end, dynamic))"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/tsa/arima_model.py\", line 651, in _get_prediction_index"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    super(ARMA, self)._get_prediction_index(start, end, index))"
ts=2018-10-19T14:52:04.271+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="  File \"/usr/local/lib/python2.7/dist-packages/statsmodels/tsa/base/tsa_model.py\", line 479, in _get_prediction_index"
ts=2018-10-19T14:52:04.280+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="    raise KeyError('The `start` argument could not be matched to a'"
ts=2018-10-19T14:52:04.280+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="KeyError: 'The `start` argument could not be matched to a location related to the index of the data.'"
ts=2018-10-19T14:52:04.280+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 text="2018-10-19 14:52:04,280 ERROR:root: error processing request of type end: 'The `start` argument could not be matched to a location related to the index of the data.'"
ts=2018-10-19T14:52:04.280+02:00 lvl=error msg="received error message" service=kapacitor task_master=main task=arma_responsetime_absipevwp54 node=arma_model2 err="error processing request of type end:

 

'The `start` argument could not be matched to a location related to the index of the data.'"

That's a different exception. Your definition of `start` doesn't match up with the index that you used in the time series for the ARMA call.

It's better if you prepare a simple example first before hiding things behind try except and the logger.

Josef

[garba moussa]

@josef I have this error now : 'The `start` argument could not be matched to a location related to the index of the data.'"

Thanks

[garba moussa]

thats is my ARMA data :

            def get_series_arma_model(self):
     45           
     46            return pd.DataFrame(data=self._values, index=pd.to_datetime(self._dates))

[garba moussa]

Look some UDF as ARMA model on others data I have the forecast values:

ts=2018-10-19T15:19:09.940+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 15:19:09,940 DEBUG:root: START DATE 2018-10-19 13:20:00"
ts=2018-10-19T15:19:09.940+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 15:19:09,940 DEBUG:root: END DATE 2018-10-19 14:55:00"
ts=2018-10-19T15:19:09.947+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 15:19:09,946 DEBUG:root: 2018-10-19 13:20:00    265.465398"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 13:25:00    267.129344"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 13:30:00    268.729245"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 13:35:00    270.266298"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 13:40:00    271.741687"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 13:45:00    273.156584"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 13:50:00    274.512151"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 13:55:00    275.809534"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:00:00    277.049870"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:05:00    278.234281"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:10:00    279.363878"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:15:00    280.439759"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:20:00    281.463010"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:25:00    282.434705"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:30:00    283.355905"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:35:00    284.227658"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:40:00    285.051000"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:45:00    285.826955"
ts=2018-10-19T15:19:09.948+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:50:00    286.556534"
ts=2018-10-19T15:19:09.949+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="2018-10-19 14:55:00    287.240737"
ts=2018-10-19T15:19:09.949+02:00 lvl=info msg="UDF log" service=kapacitor task_master=main task=arma_temp_stat node=arma_model2 text="Fre