H. Paul Benton wrote:
> Umm sorry to bother everyone again but I'm having trouble with my if
> statement. I come from a perl background so that's probably my problem! :)
> So here is my code:
>
> if (any(lgAB>4) | any(lgAB<-4)){
> freq_AB<-hist(lgAB, type="o", plot=F)
> else
> freq_AB<-hist(lgAB, breaks=br,type ="o", plot=F)
> }
>
> And I get
> > source("E:/R/GMDA-1.1.R")
> Error in parse(file, n = -1, NULL, "?") : syntax error at
> 11: freq_AB<-hist(lgAB, type="o", plot=F)
> 12: else
> >
No-one yet has pointed out the following problem, which, while not be
a syntax error as such, will cause you headaches:
if (any(lgAB>4) | any(lgAB<-4)){
^^^^^^^
This assigns the value 4 to lgAB (which is presumably NOT what
you want to do). You want ``any(lgAB < -4)''.
General rule: Put in spaces around operators --- it makes the
code (much) more readable and avoids unintended consequences.
Another infelicity in your code: ``plot=F''. Use ``plot=FALSE''.
(Note that the symbols ``F'' and ``T'' are assignable, *unlike*
``TRUE'' and ``FALSE''.)
cheers,
Rolf Turner
[EMAIL PROTECTED]
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