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...x 5x5, having in each cell a mean value of the cells from the initial matrix. Please, point me to a function in R, which can help me doing that. Digging the documentation and mail archives didn't give me a result. Thank you. --- Best regards, Vladimir mailto:wl at eimb.ru

...alled from the Internet repositories using install.packages function on both systems. update.packages only asks for repository for current session, and does nothing, which means, that everything is of the latest version. What could be wrong? --- Best regards, Vladimir mailto:wl at eimb.ru

...1:65,1:25,1:660] The only way to do this, I know, is tmp.a<-array(dim=dim(a1)[c(2,3,1)]) for(i in 1:dim(a1)[1]) tmp.a[,,i]<-a1[i,,] a1<-tmp.a rm(tmp.a) Is it possible to avoid 'for' loop here? Thank you! --- Best regards, Wladimir mailto:wl at eimb.ru

...this problem to the maintainer of the RGtk2 a few hours ago. When I try to load library(RGtk2) I get the message "The procedure entry point atk_relation_add_target could not be located in the dynamic link library libatk-1.0-0.dll". --- Best regards, Vladimir mailto:wl at eimb.ru

...lots: xyplot(<blah-blah-blah>,panel=plot.panel,<...>) This command draws graphics, but all regression lines on them are drawn from the left side to the right side, i.e. over the whole x range... -- Best regards Wladimir Eremeev mailto:wl at eimb.ru ========================================================================== Research Scientist Leninsky Prospect 33, Space Monitoring & Ecoinformation Systems Sector, Moscow, Russia, 119071, Institute of Ecology, Phone: (095) 135-997...

...ckages I have used in R. The first solution in my head is to scan all disks for R scripts and .Rhistory files, extract calls for "library" from them and save names of loaded packages. I would appreciate other variants. --- Best regards, Vladimir mailto:wl at eimb.ru

...aph. but call to layout.show(1) (or any other parameter instead of 1) destroys it. what should I say to the R to make it keep already drawn graphs and show a legend on the other "panel" of the layout? -- Best regards Wladimir Eremeev mailto:wl at eimb.ru ========================================================================== Research Scientist Leninsky Prospect 33, Space Monitoring & Ecoinformation Systems Sector, Moscow, Russia, 119071, Institute of Ecology, Phone: (095) 135-997...

Hi all, >From a vector, I want to get the unique values and the counts of these unique values in the vector. For example, x<-c(2 ,1 ,2, 1, 4 ,2 ,1, 4 ,1 ,1) xu<-unique(x) xn<-numeric(length(xu)) for (i in 1:length(xu)) {xn[i]<-length(which(x==xu[i]))} There must be a very much simpler method of doing this. Can somebody direct me to the functions that I must read in order to do

...s the difference between fonts 1, 2, 3 and 4? I have tried them all (trellis.par.set("par.xlab.text",list(font=4));), but haven't seen any difference. I use R 1.7.1 on WindowsNT. Thank you! -- Best regards Wladimir Eremeev mailto:wl at eimb.ru ========================================================================== Research Scientist Leninsky Prospect 33, Space Monitoring & Ecoinformation Systems Sector, Moscow, Russia, 119071, Institute of Ecology, Phone: (095) 135-997...

Hi I'm generating the following in a file and getting a syntax error: bryansAtHeaderLevel <- c(0,1,1,1,1,0,0,0,0,0,0,1,0,0,1,1,1,0,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,1,0,0,1,0,1,0,1,1,1,1,1,1,0,0,1,1,1,0,0,1,1,0,0,1,1,1,1,1,1,1,1,1,0,0,1,0,1,0,1,1,1,1,1,1,1,1,1,1,0,0,1,0,1,0,0,0,) finnsAtHeaderLevel <-

...a window with plots inside. I would like to see similar window on the raccoon, as a result of call to plotting function when R runs on chena. Is it possible? I played a bit with setting the DISPLAY environment on chena, but without success. --- Best regards, Vladimir mailto:wl at eimb.ru

...te), times, drop = NULL, new.row.names = NULL) { I suspect the expression ids=1:NROW(date) is erroneous. The 'date' variable doesn't appear anywhere else in this function. Maybe, 'data' ? ==== -- Best regards Wladimir Eremeev mailto:wl at eimb.ru

...s of quantiles. Lines ends are close to the box edges but not exactly on them. While command lines(c(median(x1),median(x2),median(x3))) puts lines with ends exactly on the middle line of the box-and-whisker plots. -- Best regards Wladimir Eremeev mailto:wl at eimb.ru

...ecomes greater, if I build a sphere instead of a cube. I would like to optimize it in order to make it run faster. Is it possible? Will a sorting take effect? Thank you for attention and any good feedback. -- Best regards Wladimir Eremeev mailto:wl at eimb.ru ========================================================================== Research Scientist, PhD Russian Academy of Sciences

...e got file a.png in the working directory. But it contains only white background field and no graphs. If I try copy commands of the script in clipboard and paste them to the R console the graphs appear in the file. -- Best regards Wladimir Eremeev mailto:wl at eimb.ru

...where month(date)<=3 and empty<465", "group by year(date)", sep=" " ) ); dbDisconnect(con); -- Best regards Wladimir Eremeev mailto:wl at eimb.ru ========================================================================== Research Scientist Leninsky Prospect 33, Space Monitoring & Ecoinformation Systems Sector, Moscow, Russia, 119071, Institute of Ecology, Phone: (095) 135-997...

...when I try this : > > dbListTables(con) > character(0) Of course. Tables are stored in the database. You didn't provide its name. Function dbListTables doesn't know which tables should it list. -- Best regards Wladimir Eremeev mailto:wl at eimb.ru ========================================================================== Research Scientist Leninsky Prospect 33, Space Monitoring & Ecoinformation Systems Sector, Moscow, Russia, 119071, Institute of Ecology, Phone: (095) 135-997...

Dear r-help, Function sd calculates the standard deviation 'with (n-1) denominator'. Are there any alternatives with n denominator? Thank you very much. -- Best regards Wladimir Eremeev mailto:wl at eimb.ru

...ve the data frame with vectors data$area.0, data$area.20, etc... Command substitute(data$area.lon,list(lon=20)) returns data$area.lon but is expected to return data$area.20 Where did I do mistakes? -- Best regards Wladimir Eremeev mailto:wl at eimb.ru ========================================================================== Research Scientist Leninsky Prospect 33, Space Monitoring & Ecoinformation Systems Sector, Moscow, Russia, 119071, Institute of Ecology, Phone: (095) 135-997...

...However, ENVI is the rather convenient and feature rich tool. Is anyone aware about any work, dedicated to the creation of something, similar to the ENVI, but in R? Also, recently, the R bindings to the GTK library have appeared... --- Best regards, Wladimir mailto:wl at eimb.ru