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statsmodels.duration.hazard_regression.PHReg.breslow_gradient
statsmodels.duration.hazard_regression.PHReg.breslow_gradient
¶
PHReg.
breslow_gradient
(
params
)
[source]
¶
Returns the gradient of the log partial likelihood, using the Breslow method to handle tied times.
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statsmodels.duration.hazard_regression.PHReg
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statsmodels.duration.hazard_regression.PHReg.breslow_gradient