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[Chris Richard]

I am trying to replicate this example here. See point 8 (multilevel discrete-time survival analysis).I am not understanding what the code control = glmerControl(optimizer = "bobyqa", optCtrl = list(maxfun = 2e5 is doing and in my case with such large data, how and what to set this?

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Download ✯✯✯ https://urloso.com/2zSCBV

As far as the warning (not an error!) goes: the warning is telling you that the fit is numerically suspect (which does not mean it's wrong, just that you should check some things!). From ?convergence:

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