[R] use of bquote

[William Dunlap]

> a <- 2; b <- 3; xyplot(1:10 ~ a*(1:10), sub = c(bquote(a == .(a) ~ b==.(b))))
> 
> the subtitle contains three copies of the "a = 2  b = 3" phrase.
> Why does it do that?  How do I tell it to give me only one copy?

To avoid it don't wrap bquote() with c().  The following does what you asked for:
    a <- 2; b <- 3; xyplot(1:10 ~ a*(1:10), sub = bquote(a == .(a) ~ b==.(b)))

Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com


> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On Behalf
> Of Richard M. Heiberger
> Sent: Thursday, November 21, 2013 9:07 PM
> To: r-help
> Subject: [R] use of bquote
> 
> When I use run this expression
> 
> a <- 2; b <- 3; xyplot(1:10 ~ a*(1:10), sub = c(bquote(a == .(a) ~ b==.(b))))
> 
> the subtitle contains three copies of the "a = 2  b = 3" phrase.
> Why does it do that?  How do I tell it to give me only one copy?
> 
> Rich
> 
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