I am trying to compute a matrix of Pearson's `r' or Spearman's `rho' rank correlation coefficients using rcorr (Hmisc) the following way:
> mx<-rcorr(x, type="spearman")[1]
but then ...
> is.matrix(mx) [1] FALSE
Even if I use as.matrix the result is not better. What can I do?
Thank you all
Luca
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