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Hi I am trying to export dataframes to Stata with stata's labels, I have looked though the documentation for the foreign library and code for write.dta, (but not the complied code) and I can't find anything. Ideally...

Have a look at the documentation for ifelse() http://stat.ethz.ch/R-manual/R-devel/library/base/html/ifelse.html that should do what you need. Rhydwyn -----Original Message----- From: r-help-bounces at r-project.org [mailto:r...

You need to load the library by running >library(Kendall) Rhydwyn -----Original Message----- From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf Of David Doyle Sent: Tuesday, 17 April 2012 12...

Hi Alaa, I haven't personally used the mlogit.optim fuction. Have you tried searching github or stack exchange for the string "mlogit.optim" . I find they can be very useful for finding examples of a function being used in...

Hi there, It looks like you also need the bioconductor package biobase, I found instructions for downloading that package here: www.bioconductor.org/install Good luck. Cheers, Rhydwyn -----Original Message----- From: R-help [mailto:r-help-bounces at r-project...

Hi Kim, this sounds like a homework question which is not meant for this list, I don't believe you need a package for this, but you may find the ifelse function along with the sum()function useful. You can...

Hi Ryan, I don't think you need the outer loop, loops are worth avoiding if you can possibly can because they are inefficient, have a look at this dplyr tutorial (https://cran.rstudio.com/web/packages/dplyr/vignettes/introduction...

Hi Rosa, This looks like a mix of a R problem and a statistical problem. For the statistical part I think you are going to need to find a statistician/adviser to sit down with and workout what you want...

ddply() is what you are looking for. Here is an example http://www.inside-r.org/packages/cran/plyr/docs/ddply Cheers, Rhydwyn Rhydwyn McGuire Senior Biostatistician | Health Statistics NSW Level 7, 73 Miller St, North Sydney 2060 Tel 02...