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What is the difference between ROC curve and gains/lift chart? how to do them in R? Thanks. -- View this message in context: http://www.nabble.com/ROC-curve-and-gains-lift-chart-tp25083979p25083979.html Sent from the R help...
I have 1000 oberved binary reponses Y, and I also have 1000 predictited probabilities predicted_prob (between 0 and 1) for those observed reponses. How can I plot a gain chart in R? Thanks. -- View this message in context: http...
I have a data set for survival analysis in R. The data have time-variant covariates, and right-censored outcomes, which could also be re-current events. What R package should I use? Thanks! -- View this message in context: http...
I tried to select a mirror site from R, but got the following error - > chooseCRANmirror() Warning message: In open.connection(con, "r") : unable to connect to 'cran.r-project.org' on port 80. The consequence is that i have to...
i am trying to build an R package and submit to CRAN. i am using - package.skeleton(name="xxzz", code_files = "H:\xxzz.R") to build package xxzz. --------------------------- The code above generates 'xxzz' folder. It seems that I have to...
I have a function called nnmf which takes in one matrix and returns two matrices. for example, > X [,1] [,2] [,3] [,4] [1,] 1 4 7 10 [2,] 2 5 8 11 [3,] 3 6 9 12 > z=nnmf(X...
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