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Hi, I have a character vector that contains the names of several objects that I would like to pass to a function (specifically, the ridge function in the survival package, but cbind is a similar example). I've been struggling...
Hi, I am using coxph from the survival package to fit a large model (100,000 observations, ~35 covariates) using both ridge regression (on binary covariates) and penalized splines (for continuous covariates). In fitting, I get a strange error: Error...
I am trying to fit a large Cox model with many predictors. Because there are many predictors, I would like to use the ridge() function to get penalized ml estimates for all coefficients. The problems are that: 1. When I...
Thanks - your last suggestion does seem to work with the ridge function, but the names of the objects get lost in the process. Is there a way to keep the object names with get? Thanks, Jessica Myers On Apr 21...
Hi David, Thanks for your input. My first thought was to look for missing values, but I can tell you there are no missing values in the input. The error is occurring somewhere deep inside coxpenal.fit, so I can...
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