Hello,
I tried to obtain a nonparametric correlation matrix with the following syntax:
by(mydat, mydat$GROUP, function(subset) { matrix <- cbind(subset$WK1FREQ,
subset$WK2FREQ, subset$WK3FREQ, subset$WK4FREQ, subset$BESTDAY) cor(matrix,
method="kendall",use="pairwise.complete.obs") })
Error: syntax error
In addition to the matrix, I was hoping to obtain p-value and CI (rounded
to 3 decimal points).
Any suggestions are much appreciated,
Bob Green
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