You are absolutely right. I read the guidelines! Mistake to attach 'word' file! The comfort is that at least I got an "A" :). I revise my question approapriately!
On Wed, Oct 24, 2012 at 10:36 AM, David Winsemius <dwinsem...@comcast.net>wrote: > > On Oct 23, 2012, at 11:36 PM, Loukia Spineli wrote: > > > Dear all, > > > > I am trying to create a list, where each list element is a vector of > > different length arrays that contain 2by2 matrices. To be more specific > > there are 11 treatments that are compared with placebo (we have 11 > > comparisons) and each comparison is studied by a different number of > trials > > and each trial has a different number of missing participants in both > arms. > > The length of the list is equal to the number of comparisons. In each > > comparison the number of arrays is equal to the number of trials that > study > > this comparison. For instance 4 trials compare PAR with placebo. So, for > > this comparison we have 4 arrays and each array has a length equal to the > > producy of the number of participants in each arm. These arrays contain > 2x2 > > matrices. > > > > I have attached a document with the data and the code. > > Well, "A" for effort but somewhat lower grade for not reading the Posting > Guide and attaching a MIME-text file. > > > I cannot create the > > list results the way I have described above. It creates only the > matrices > > for the first array (that has length equal to 135) of the first > comparison > > leaving the rest 10 comparisons "NULL". > > Any suggestion would be really helpful > > > > Thank you in advance, > > Loukia > > ______________________________________________ > > R-help@r-project.org mailing list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > > David Winsemius, MD > Alameda, CA, USA > > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
