[Rd] xtable formatting: RED for negative numbers?

Ken-JP kfmfe04 at gmail.com
Wed Jul 29 06:22:37 CEST 2009

I've been experimenting recently with the fantastic Sweave/xtable
combination for generating latex.  In the xtable vignette, I found this
great example of printing a ts object by months.

Is there a way to modify this code to generate RED numbers inside xtable for
negative results in x.ts?
Thanks in advance.

- Ken

# Sweave/xtable snippet below

x.ts <- ts(rnorm(100), start = c(1954, 7), frequency = 12)
x.table <- xtable( x.ts, digits = 1 )
print( x.table, floating = FALSE )

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