search for: awalthermail

Dear list, i just encountered a problem concerning the export of multiple plots. is it possible to merge several PNGs into one PDF document? i know that this could be easily done by pdf(), but the outcome of this is /way/ too huge (> 15 MB, four plots) and to my knowledge there's no way to compress PDFs directly in R. Hence the PNGs that are saved one at a time and afterwards merged by

Dear list, I would like to export a matrix to a TXT-File by using write.csv (not necessarily). Is there a way to add a header (with additional informations concerning the project) spanning multiple lines to this file before the actual data are listed up? Should look like this: date: filename: number of permutations: ------------ data (as a matrix) Any suggestions? Thnx in advance.

Dear list, i am setting up a GLM for a repeated measurement ANOVA using the lm and ANOVA function. my design contains four factors with 5, 5, 2 and 2 (= 14) levels, respectively. the data are stored in a data.frame with six columns, one for the data themselves and the remainings for the factors where strings indicate the factor levels in each row. now i would like to restructure this

Dear List, i have a question concerning these device-related function (i.e. pdf(),jpeg(), etc.). Currently, I plot three graphs, one below the other into a /single/ window by using par(). I would like to save this figure now as JPEG or PNG. By now, code looks as follows: jepg(...) par(...) plot(...) par(...) plot(...) par(...) plot(...) dev.off() Unfortunaltely, I just get the last plot