Re: [R] spearman rank correlation

[Uwe Ligges]

kjetil brinchmann halvorsen wrote:

On 23 Jan 2003 at 11:27, David Alexander wrote:

Did ypu try to use cor.test?

example(cor.test)

cr.tst> x <- c(44.4, 45.9, 41.9, 53.3, 44.7, 44.1, 50.7, 45.2, 60.1)

cr.tst> y <- c(2.6, 3.1, 2.5, 5, 3.6, 4, 5.2, 2.8, 3.8)

cr.tst> cor.test(x, y, method = "kendall", alternative = "greater")

[snip]

Almost - David was looking for Spearman's rho.
David should have tried it out with method="spearman" and ?cor.test tells us in Section "Value":

'estimate: the estimated measure of association, with name "cor", "tau", or "rho" correspoding to the method employed.'

hello help,

i've searched through the manual pages and the only reference i can find to spearman rank correlation is cor.test, which only seems to give the significance value of the correlation.

is there any way to get the actual value of rho?

david.

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