From: Peter Dalgaard <p.dalgaard_at_biostat.ku.dk>

Date: Wed, 23 Jul 2008 01:51:52 +0200

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Tue 22 Jul 2008 - 23:55:37 GMT

Date: Wed, 23 Jul 2008 01:51:52 +0200

Vicki Meng wrote:

> Dear R users,

*>
**> I need to do a F test on the hypothesis that a 2 by 1 vector (X_1, X_2)' has the mean vector (M_1, M_2)'. Specifically, I would like to assume the X vector comes from a bivariate Normal distribution (M, Sigma). Then, given 1000 observations on X, I wanted to test if the means of X agree with the means of the target Normal distribution. Any function or package in R could do such a test? Thanks!
**>
*

library(MASS) # for multivariate normal RNG
X <- mvrnorm(1000, Sigma=matrix(c(2,1,1,3),2), mu=c(3,4))

Y <- sweep(X,2,c(3,4))

m1 <- lm(Y~1) m2 <- lm(Y~0) anova(m1, m2) -- O__ ---- Peter Dalgaard ุster Farimagsgade 5, Entr.B c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - (p.dalgaard_at_biostat.ku.dk) FAX: (+45) 35327907 ______________________________________________R-help_at_r-project.org mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Tue 22 Jul 2008 - 23:55:37 GMT

Archive maintained by Robert King, hosted by
the discipline of
statistics at the
University of Newcastle,
Australia.

Archive generated by hypermail 2.2.0, at Wed 23 Jul 2008 - 00:32:35 GMT.

*
Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-help.
Please read the posting
guide before posting to the list.
*