latex() etc.: How to nicely format a matrix for a LaTeX document?
Have a look at xtable.
--- On Thu, 12/30/10, Marius Hofert <m_hofert at web.de> wrote:
From: Marius Hofert <m_hofert at web.de> Subject: [R] latex() etc.: How to nicely format a matrix for a LaTeX document? To: "Help R" <r-help at stat.math.ethz.ch> Received: Thursday, December 30, 2010, 11:50 AM Dear (T)eXpeRts, I try to create a LaTeX table from an R matrix for the first time. I am not sure what the "best" approach is, I just read about latex() from Hmisc (toLatex() didn't work). Consider the following minimal example: library(Hmisc) mat <- matrix(c(1,NA,3,100,10000,4), ncol = 3, byrow = TRUE) latex(mat, file = "", booktabs = TRUE, numeric.dollar = FALSE, table.env = FALSE) I am only interested in the part between \midrule and \bottomrule [I couldn't figure out how to remove the tabular environment]. It looks like this: ? 1&&3\tabularnewline 100&10000&4\tabularnewline My questions/problems are: (1) if there are NA's, you can see that the output is not aligned according to the &-symbols. That makes it hard to read in a LaTeX *source* file. How can I get something like: ? 1&? ???&3\tabularnewline 100&10000&4\tabularnewline (2) it would even be nicer to read if the output was like this: ? 1 &? ? ???& 3 \tabularnewline 100 & 10000 & 4 \tabularnewline How can I achieve this? (3) is there another package/function to get output like this more easily? I wrote a one-liner which formats the lines separately, but it would be nice to have the columns aligned as given in (2). I believe it is most helpful to have the output in a form which is readable in a *source* file (i.e., .tex), since the headers/footers from tabular [or tabularx etc.] are often easy to put in the document. Cheers, Marius
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