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noob
2009 Dec 16
1
number of observations used in cor when use="pairwise.obs"
Dear R gurus,
to compute the correlation matrix of "n" variables with "n_obs" observations
each,
possibly including NA, I use cor(M, use="pairwise.obs")
where m is a "n" x "nobs" matrix.
Now I want to know the number of observations actually used in this
computation,
namely for each pair of columns in M, say pair (i,j), I want to compu...