[R] Changing expression font

[Paul Murrell]

Hi


Scott Rollins wrote:
> I'm trying to label axes using 'expression', but I would also like to change the font to Times New Roman (a requirement of the journal). I'd appreciate any advice.
> 
> Here's one example of several things that I've tried, including changes to par() parameters 'family', 'font', 'font.axis', and 'font.lab', which are not shown below.
> 
> x <- 1:10
> z <- rnorm(10,0,3)
> y <- x + z
> my.df <- data.frame(x,y)
> # example where font formatting works in Windows XP (but does not in FC3)
> plot(x=my.df[,1], y=my.df[,2], xlab="Independent", ylab="Dependent", font.axis=6, font.lab=6)
> # example using 'expression' where label fonts are not changed
> plot(x=my.df[,1], y=my.df[,2], xlab=expression(paste("Independent  (",mu,"g/L)")), ylab=expression(paste("Dependent (",mu,"g/L)")), font.axis=6, font.lab=6)


This works for me (Windows XP, R 2.2.1) ...

par(family="serif")
plot(x=my.df[,1], y=my.df[,2],
     xlab=expression(paste("Independent  (",mu,"g/L)")),
     ylab=expression(paste("Dependent (",mu,"g/L)")))

... (and this for R 2.3.0) ...

plot(x=my.df[,1], y=my.df[,2],
     xlab=expression(paste("Independent  (",mu,"g/L)")),
     ylab=expression(paste("Dependent (",mu,"g/L)")),
     family="serif")


Paul
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Dr Paul Murrell
Department of Statistics
The University of Auckland
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