Hi,

It's FAQ 7.31
Try this:
mone <- round(m-mzero)

HTH,
Ivan

Le 2/24/2011 18:31, li li a écrit :
Hi all.
    I was having some trouble with a for loop and I found the problem is the
following.
    Does anyone have some idea why I got the following R result? Since mone
is equal to 3, why
mu1 only have 2 components?


library(MASS)
p0<- seq(0.1, 0.9,by=0.1)
m<- 10


p0<- p0[7]

## data generation

mzero<- p0*m
mone<- m-mzero
mu1<- rnorm(mone, 0,1)
mu<- c(rep(0,mzero), mu1)

var<- diag(m)
zv<- mvrnorm(n, mu, var)
Error in mvrnorm(n, mu, var) : incompatible arguments
mone
[1] 3
mu1
[1] -0.08802108  0.77904786

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--
Ivan CALANDRA
PhD Student
University of Hamburg
Biozentrum Grindel und Zoologisches Museum
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ivan.calan...@uni-hamburg.de

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