lasso-net / lassonet

Feature selection in neural networks

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Prediction of survival probability at a specific time with LassoNet

dianashams opened this issue · comments

commented

Hi,
I would like to evaluate Cox LassoNet on my data for predicting end-point survival.

Is there a way to compute event probability for a given time (or for a set of given times) from a fitted LassoNetCoxRegressorCV?

It seems that model.predict(X_test) returns predictors in CoxPH assumption, so c-index can be computed, but I could not find in examples how to compute survival/event probability
Thank you!

I think you need to implement a Breslow estimator: https://stats.stackexchange.com/a/498951 (the sign is wrong, $\log S = -H$).

I'll propose that we add this estimator in the package as well!

commented

Closing this for inactivity