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more reliable casting of pandas data #9206

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more reliable casting of pandas data #9206

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2 changes: 1 addition & 1 deletion statsmodels/base/data.py
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Original file line number Diff line number Diff line change
Expand Up @@ -504,7 +504,7 @@ class PandasData(ModelData):
def _convert_endog_exog(self, endog, exog=None):
#TODO: remove this when we handle dtype systematically
endog = np.asarray(endog)
exog = exog if exog is None else np.asarray(exog)
exog = exog if exog is None else np.asarray(exog, dtype=float)
if endog.dtype == object or exog is not None and exog.dtype == object:
raise ValueError("Pandas data cast to numpy dtype of object. "
"Check input data with np.asarray(data).")
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