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. 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
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. 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
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 at 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
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. 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 -------------- next part -------------- A non-text attachment was scrubbed... Name: List of multidimensional arrays.pdf Type: application/pdf Size: 5864 bytes Desc: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20121024/05eebc06/attachment-0002.pdf>
Loukia, Please send your replies to the R-help list. I am CC'ing this to the R-help list. On 25-10-2012, at 15:30, Loukia Spineli wrote:> Dear Berend, > > I am not familiar at all with ascii text. If you could suggest me a good link to learn about it, then it would be really helpful!If that is so, then how are you making your R code or R script? You must be using a plain text editor but we don't know your version of R, your OS, or anything else. If you are only using an R console you should look in the documentation of your system to find out how to work with plain text. Berend> Best wishes, > Loukia > > On Thu, Oct 25, 2012 at 4:23 PM, Berend Hasselman <bhh at xs4all.nl> wrote: > > You were asked to provide R code in ascii text. > Also use dput to get the objects into a mail. > > Nobody is going to make the effort to copy from your pdf. I certainly will not. > > Berend > > On 25-10-2012, at 13:45, Loukia Spineli wrote: > > > x and y are the frequencies of missing participants in the intervention and > > the control treatment respectively! vector t contains the code of the > > interventions (we have 11 interventions). I re-attach the PDF with some > > small modifications. 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. 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". > > > > On Wed, Oct 24, 2012 at 5:17 PM, Richard M. Heiberger <rmh at temple.edu>wrote: > > > >> I am looking at your pdf file. > >> > >> it doesn't match your description. > >> > >> There are no missing values in the vectors > >> x, y, t. > >> Each vector has length 55 which is not a multiple of 4, > >> so we don't know where the 2x2 matrices come from. > >> > >> The code doesn't run. There are are too many "}". > >> PDF files are formatted and are not ascii. > >> > >> Please send your code in ascii text in the body of the email. > >> Please pick it up from your email and paste it into > >> a fresh R session to be sure that it works. > >> > >> Perhaps consrtruct manually an example of what you want the answer to look > >> like. > >> > >> Rich > >> > >> > >> > >> On Wed, Oct 24, 2012 at 3:51 AM, Loukia Spineli <spineliloukia26 at gmail.com > >>> 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. 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 at 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. > >>> > >>> > >> > > <List of multidimensional arrays.pdf>______________________________________________ > > R-help at 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. > >
hello,
I want to make a two dimensional matrix from the data table.That data
table has three column 1st is userid,2nditemid and 3rd is rating
corresponding to the itemid given by userid.I want to make a m*n matrix in
which 'm' is userid and 'n' to be itemid .That 2D matrix should
b filled
with that corresponding rating for that itemid for that userid. please help
me out.
--
View this message in context:
http://r.789695.n4.nabble.com/List-of-multidimensional-arrays-tp4647286p4647458.html
Sent from the R help mailing list archive at Nabble.com.