As Rainer Schuermann says, use the xtable package. Have a look at the
documentation entitled xtable gallary --available at your friendly neigbourhood
CRAN site and have a look at section 3.1. and it's probably a good idea to look
at ?print.xtable as well
You might also what to have a look at the latex function in Hmisc.
Here is an example with "Average" in bold. It ran for me using LyX and knitr
rather than Sweave.
###==================================
library( xtable )
x <- structure(list(Record = 1:3, Average = c(34L, 14L, 433L), Maximum =
c(899L, 15L, 1003L)), .Names = c("Record", "Average", "Maximum"), class =
"data.frame", row.names = c(NA, -3L))
names(x) <- c("Record", "\\textbf{Average}", "Maximum")
x <- xtable( x )
print( x, sanitize.text.function = function(x){x} )
###==================================
John Kane
Kingston ON Canada
> -----Original Message-----
> From: pleysh...@gmail.com
> Sent: Fri, 17 May 2013 12:53:12 -0700
> To: r-help@r-project.org
> Subject: [R] formatting column names of data frame
>
> Is there any way to format the headers of data frames, for printing?
>
> I am using Sweave to generate formatted reports. In Sweave, I read in a
> data.frame:
>
> result <- read.table(path.to.table);
>
> then display it:
>
> print.data.frame(result);
>
> This gives me what I expect in the eventual final output:
>
> Record Average Maximum
> 1 34 899
> 2 14 15
> 3 433 1003
> ... ... ...
>
> What I am hoping to do is distinguish one or more of the column headers,
> for example, I want "Average" or "Maximum" to be bold, underlined, etc.,
> just some way to make the column name stand out visually.
>
> Any idea if this is possible? Any suggestions appreciated.
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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