try the following:
LL <- c(12.5,17,12,11.5,9.5,15.5,16,14)
n <- length(LL)
N <- 1000
threshold <- 10
smpls <- sample(LL, N*n, replace = TRUE)
dim(smpls) <- c(n, N)
cnt <- sum(colMeans(smpls) > threshold)
cnt
I hope it helps.
Best,
Dimitris
Graham Smith wrote:
I am trying to modify some code from Good 2005.
I am trying to resample the mean of 8 values and then count how many
times the resampled mean is greater than 10. But my count of means
above 10 is coming out as zero, which I know isn't correct.
I would appreciate it if someone could look at the code below and tell
me what I am doing wrong.
Many thanks,
Graham
LL<- c(12.5,17,12,11.5,9.5,15.5,16,14)
N<-1000
n<-length(LL)
threshold<-10
cnt<-0
for(i in 1:N){
+ LLb <- sample (LL, n, replace=TRUE)
+ if (mean(LLb)<=threshold) cnt<-cnt+1
+ }
cnt
[1] 0
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--
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center
Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014
______________________________________________
R-help@r-project.org mailing list
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
