ar = (1,0,1)      #  AR(1 3)
ma = (0)  #  No MA terms
mod1 = sm.tsa.statespace.SARIMAX(lesdata['emadm'], exog= (lesdata['LESpost'],lesdata['QOF']), trend='c', order=(ar,0,ma), mle_regression=True)

Traceback (most recent call last):

  File "<ipython-input-129-d1300aeaeffc>", line 4, in <module>
    mle_regression=True)

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelstsastatespacesarimax.py", line 510, in __init__
    endog, exog=exog, k_states=k_states, k_posdef=k_posdef, **kwargs

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelstsastatespacemlemodel.py", line 84, in __init__
    missing='none')

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelstsabasetsa_model.py", line 43, in __init__
    super(TimeSeriesModel, self).__init__(endog, exog, missing=missing)

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelsbasemodel.py", line 212, in __init__
    super(LikelihoodModel, self).__init__(endog, exog, **kwargs)

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelsbasemodel.py", line 63, in __init__
    **kwargs)

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelsbasemodel.py", line 88, in _handle_data
    data = handle_data(endog, exog, missing, hasconst, **kwargs)

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelsbasedata.py", line 630, in handle_data
    **kwargs)

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelsbasedata.py", line 80, in __init__
    self._check_integrity()

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelsbasedata.py", line 496, in _check_integrity
    super(PandasData, self)._check_integrity()

  File "C:UsersdanieAnaconda2libsite-packagesstatsmodelsbasedata.py", line 403, in _check_integrity
    raise ValueError("endog and exog matrices are different sizes")

ValueError: endog and exog matrices are different sizes