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Hi everyone, I am using R.2.1.0 with limma 1.8.18 to read a "quantarray" .txt file. > RG <- read.maimages(file,source="quantarray") Error in "[.data.frame"(obj, , columns$Rf) : undefined columns selected The same data with...
Hi everybody, I want to obtain a classification model using the nnet function for a simple two class problem. My problem is that number of samples in the first class (n1) is about twice higher than the one in class...
Hi I got two questions about the nnet function in R. I would be thankful to have an answer. 1) Does the function intrinsically normalize the X and Y matrices before the training, or normalization should be done by the...
Hi everyone, I have a question about building the vignettes files (.Rnw). Say I have a function myFunction() which produces 2 plots (invoking a x11() for each of them). I want to use this function in a chunk of the...
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