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Dear R user, How could I use function in-visible to user in my code? For example 'survfitKM' or 'survfit.formula' in package survival. These functions are in-visible to user. Thanks, Shuguang

How to generate a new factor variable by two other factor variables? For example, if I have two factor variables, factorA and factorB, factorA factorB 0 0 0 0 1 0 0 1 1 1 Is there a simple way...

Hi all, When I try to compile R 3.6 in windows 10 in Rtools35, it raised the error message: --8<---------------cut here---------------start------------->8--- make rsync-extsoft (mkdir -p ../../extsoft; \ cd ../../extsoft; \ rsync --timeout=60 -rcvp --delete cran.r...

Dear all, I have a question about the glm. When the events of an observation is 0, the logit function on it is Inf. I wonder how the glm solve it. An example: Treat Events Trials A 0 50 B...

Dear R, I'm doing some simulation work and it takes me a lot of time to do it in R. So I try to implement it in C code, but I want to use some R functions directly for...

Hi, When I used BRugs (Version 0.8.0), I found a bug about the findOpenBUGS way using "OpenBUGS_PATH". I don't know how to contact the developer, so I think someone here may help me. The issue is...

Jeroen Ooms <jeroenooms at gmail.com> writes: Now I can build R 3.6 in my Windows 10 box. Thanks. > On Thu, May 2, 2019 at 9:36 AM Martin Maechler > <maechler at stat.math.ethz.ch> wrote: >> >> >>>>> Shuguang Sun...

I used the nlrq function in the package "quantreg". There is a lambda in the output when I set trace=TRUE. With different start point, the results are converged, but the last lambda is different. I want to know the...

Thanks. It works :) Shuguang On Wed, Nov 5, 2008 at 12:24 AM, Marc Schwartz <marc_schwartz at comcast.net> wrote: > The easiest way is probably to use interaction(): > >> df > factorA factorB > 1 0 0 > 2 0 0 > 3 1...