That is really an r-help question, but easy, and I'm busy not
writing the lecture I should be writing:
X <- cbind(x1,x2,x3,y1,y2,y3)
cor(X)[1:3,4:6]
albyn
On 4/3/12 4:31 PM, AbouEl-Makarim Aboueissa wrote:
Dear All:
I have another silly question. How I can compute the correlations of
two groups of variables. For example how to compute the correlations
of the X's with Y's only of these two groups of variables
x1<-c(12,3,45,32,34,56,7,89)
x2<-c(6,8,9,6,7,44,33,22)
x2<-c(45,7,6,89,23,45,67,22)
y1<-c(21,43,77,32,23,45,78,90)
y2<-c(32,56,78,90,34,23,11,23)
y3<-c(8,90,34,68,72,17,27,35)
This what I need to get:
y1 y2 y3
x1 corr(x1,y1) corr(x1,y2) corr(x1,y3)
x2 corr(x2,y1) corr(x2,y2) corr(x2,y3)
x3 corr(x3,y1) corr(x3,y2) corr(x3,y3)
Thank you very much
abou
==========================
AbouEl-Makarim Aboueissa, Ph.D.
Associate Professor of Statistics
Graduate Program Coordinator
Department of Mathematics & Statistics
University of Southern Maine
96 Falmouth Street
P.O. Box 9300
Portland, ME 04104-9300
USA
Tel: (207) 228-8389
Fax: (207) 780-5607
Email: [email protected]
[email protected]
Office: 301C Payson Smith
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