[R] backslash

[Thomas Lumley]

On Tue, 23 May 2000 Robert.King at mailbox.gu.edu.au wrote:

> This means that for the \\ at the end of lines of tables you need to
> double each backslash.  e.g. for some tables I produced I had R code like
> this ...
> 
> tabfile _ "../tex/zzq.table"
> write("\\begin{table}\\label{table:zzq}\\caption[Summary of results --- simulation zzq]",file=tabfile,append=T)
> write("\\begin{tabular}{|l|c|c|c|c|}",file=tabfile,append=T)
> write("\\multicolumn{5}{c}{$\\hat\\la$ (true value = \\laval)}\\\\",file=tabfile ,append=T)
> write("\\hline",file=tabfile,append=T)
> write("method & mean & median & std. dev. & IQR \\\\",file=tabfile,append=T)
> write("\\hline",file=tabfile,append=T)
> write(paste('starship (K-S) &',signif(mean(ks.zzq$l1),4),' & ',
>  signif(median(ks.zzq$l1),4),' & ', signif(sqrt(var(ks.zzq$l1)),4),' & ', 
>  signif((quantile(ks.zzq$l1,.75)[[1]]-quantile(ks.zzq$l1,.25)[[1]]),4),
>  ' \\\\ '),file=tabfile,append=T)
> write("\\hline",file=tabfile,append=T)


You can use write.table to produce the data portion of the table, which is
a bit simpler

eg
write.table(round(x,2),quote=FALSE,sep="$ & $",eol="$\\\\
\n $",col.names=FALSE,row.names=FALSE)

where the $ signs ensure that negative numbers are printed with a minus
sign rather than a hyphen.

	-thomas

Thomas Lumley
Assistant Professor, Biostatistics
University of Washington, Seattle

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