statsmodels.duration.hazard_regression.PHReg.fit¶
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PHReg.fit(groups=None, **args)[source]¶ Fit a proportional hazards regression model.
Parameters: - groups (array-like) – Labels indicating groups of observations that may be dependent. If present, the standard errors account for this dependence. Does not affect fitted values.
 - a PHregResults instance. (Returns) –
 
