Well you can add in the column names, but this looks weird unless you format it as a table heading. I'm not that familiar with xtable, but you can do it with Hmisc::latex as follows:
> (tmp2 <- rbind(tmp[,1:20], colnames(tmp[,21:40]), tmp[,21:40])) a b c d e f g h i j k l m n o p q r s 1 "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" 2 "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" 3 "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "A" "B" "C" "D" "E" "F" "G" "H" "I" "J" "K" "L" "M" "N" "O" "P" "Q" "R" "S" 1 "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" 2 "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" 3 "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" "1" t 1 "1" 2 "1" 3 "1" "T" 1 "1" 2 "1" 3 "1" > require(Hmisc) > latex(tmp2, n.rgroup = c(3,1,3), file="") % latex.default(tmp2, n.rgroup = c(3, 1, 3), file = "") % \begin{table}[!tbp] \begin{center} \begin{tabular}{lllllllllllllllllllll}\hline\hline \multicolumn{1}{l}{tmp2}&\multicolumn{1}{c}{a}&\multicolumn{1}{c}{b}&\multicolumn{1}{c}{c}&\multicolumn{1}{c}{d}&\multicolumn{1}{c}{e}&\multicolumn{1}{c}{f}&\multicolumn{1}{c}{g}&\multicolumn{1}{c}{h}&\multicolumn{1}{c}{i}&\multicolumn{1}{c}{j}&\multicolumn{1}{c}{k}&\multicolumn{1}{c}{l}&\multicolumn{1}{c}{m}&\multicolumn{1}{c}{n}&\multicolumn{1}{c}{o}&\multicolumn{1}{c}{p}&\multicolumn{1}{c}{q}&\multicolumn{1}{c}{r}&\multicolumn{1}{c}{s}&\multicolumn{1}{c}{t}\tabularnewline \hline &&&&&&&&&&&&&&&&&&&&\tabularnewline 1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1\tabularnewline 2&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1\tabularnewline 3&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1\tabularnewline \hline &&&&&&&&&&&&&&&&&&&&\tabularnewline &A&B&C&D&E&F&G&H&I&J&K&L&M&N&O&P&Q&R&S&T\tabularnewline \hline &&&&&&&&&&&&&&&&&&&&\tabularnewline 1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1\tabularnewline 2&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1\tabularnewline 3&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1&1\tabularnewline \hline \end{tabular} \end{center} \end{table} On Thu, Nov 12, 2009 at 6:16 AM, Ottorino-Luca Pantani <ottorino-luca.pant...@unifi.it> wrote: > Ista Zahn ha scritto: >> >> Yeah, I've had this kind of situation before. Usually I first see if I >> can fit it on the page by rotating it and/or reducing the size. If >> that doesn't do it then I'll re-arrange as you suggest. Basically the >> print method is just wrapping the output after n columns (27 in my >> case, but I think this depends on the options you have set). So you >> can do this wrapping yourself before calling xtable: >> >> tmp <- with(expand.grid(Fact1 = 1:3, Fact2 = 1:40), table(Fact1, Fact2)) >> tmp2 <- rbind(tmp[,1:20], tmp[,21:40]) >> xtable(tmp2) >> >> Hope it helps, >> >> Ista >> >> >> > > Thanks a lot, but still there are problems. > > My fault in the too simple code posted. > > Consider the following > > (tmp <- with(expand.grid(Fact1 = 1:3, Fact2 = c(letters[1:20], > LETTERS[1:20])), table(Fact1, Fact2)) > >> Fact2 Fact1 a b c d e f g h i j k l m n o p q r s t A B C D E F G H I 1 1 >> 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 >> 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 >> 1 1 1 1 1 1 1 1 1 1 1 1 Fact2 Fact1 J K L M N O P Q R S T 1 1 1 1 1 1 1 1 1 >> 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 > > From this table I can easily see, in the 1st row (Fact1) which are the > observations for the minuscule as well for the MAJUSCULE > > while in > > (tmp2 <- rbind(tmp[,1:20], tmp[,21:40])) > >> a b c d e f g h i j k l m n o p q r s t 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 >> 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 >> 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 >> 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 > > the infomation on the MAJUSCULE factor is completely missing (hided). > > > > > > > -- Ista Zahn Graduate student University of Rochester Department of Clinical and Social Psychology http://yourpsyche.org ______________________________________________ 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.