Am Mittwoch, den 05.03.2008, 14:38 -0300 schrieb Henrique Dallazuanna:
> Try this:
>
> On 05/03/2008, Martin Kaffanke <[EMAIL PROTECTED]> wrote:
> > Hi there!
> >
> > In my case,
> >
> > cor(d[1:20])
> >
> > makes me a good correlation matrix.
> >
> > Now I'd like to have it one sided, means only the left bottom side to be
> > printed (the others are the same) and I'd like to have * where the
> > p-value is lower than 0.05 and ** lower than 0.01.
> >
> > How can I do this?
>
> d <- matrix(rexp(16, 2), 4)
> corr <- cor(d)
> sign <- symnum(cor(d), cutpoints=c(0.05, 0.01), corr = T,
> symbols=c("***", "**", "*"), abbr=T, diag=F)
>
> noquote(mapply(function(x, y)paste(x, format(y, dig=3), sep=''),
> as.data.frame(unclass(sign)), as.data.frame(corr)))Seems that we mark the value itself, but not the p-value. So lets say, in a way I have to get the lower left half of a cor(el[1:20]) Then I need to calc all the values with a cor.test() to see for the p-value. And the p-value should be lower than .05 or .01 -> this should make the * to the value. Thanks, Martin
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