[R] Correlation Matrix in R

[Mark Podolsky]

Hi,

rcor.test in library(ltm) will provide a correlation matrix with p-values on the bottom-half of the matrix.


Mark

On 2011-10-26, at 7:03 AM, AlexC wrote:

> Thank you for your quick reply and helpful advice.
> 
> Using this argument allows me to do what I needed to do
> 
> Now the only other thing I wanted to accomplish was to obtain the top half
> of the matrix with p values 
> and the bottom half with the correlations, to observe the significant
> correlations.  I have been able to use a few functions such as rcorr, and
> cor.matrix to get such information but it isn't output in a format that I
> can save with the write.table function or write.clipboard
> 
> the pair function allows a graphical display of the data on the other hand
> (with correlation graphics on the bottom half) and I have added an argument
> which allows to view the significant p values.  But I wanted to know if I
> could also do the above easily.
> 
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