How to retrieve AIC for survival/reliability data distribution fitting, such as wblfit?

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Shuping Ruan
Shuping Ruan el 8 de Feb. de 2019
I am trying to fit weibull distribution to survival data with censoring. Here is my code.
data_s1 = load("test_data_s1.mat");
obstime = data_s1.eventtime;
censored = (data_s1.status ~= 1);
paramEsts =wblfit(obstime, 'censoring', censored);
It runs fine and I was able to get the estimated parameter values back. Yet, how can I get AIC criterion for this fitting and confidence bounds? Thanks.

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