On Mon, 2 Aug 2004, Wolfgang Viechtbauer wrote:
> Hello All,
>
> I am generating some plots where the title is generated with substitute
> and paste. An example:
>
> nval <- 20
> plot(0,0)
> title(substitute(paste("n = ", n), list(n = nval)))
>
> But when compared to:
>
> plot(0,0)
> title("n = 20")
>
> the title in the first plot looks slightly different (it is not in
> bold). How can I get the two titles to look exactly the same?
The first is an expression, the second a character string so they are
intentionally different. Use the same type of object to get the same
result.
> Also, how can I generate the following plot:
>
> plot(0,0)
> title("Test\n n = 20")
>
> with substitute and paste? I tried:
>
> nval <- 20
> plot(0,0)
> title(substitute(paste("Test\n", "n = ", n), list(n = nval)))
>
> but that doesn't produce the same result.
You want to be using something like
title(paste("Test\n n =", nval))
that is using a character string and not an expression.
--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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