Displaying 5 results from an estimated 5 matches for "werkman".
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gerkman
2005 Mar 23
3
Question on statistics
Hi,
Can anyone help me with the following (although not directly correlated
to R functionality)? I have been looking on the internet but can not
find the answer.
My question: what is the variation on the mean of a limited distribution
(total N points normally distributed), when I have a small sample of
that distribution (n < N)?
Your help would be very welcome.
Thanx,
Roy
--
The
2005 Mar 09
2
Question about biasing in sd()???
Hi,
Can anyone help me with the following. I have been using R for Monte
Carlo simulations and got some results I couldn't explain. Therefor I
performed following short test:
--------------
mean.sds <- NULL
sample.sizes <- 3:30
for(N in sample.sizes){
dum <- NULL
for(I in 1:5000){
x <- rnorm(N,0,1)
dum <- c(dum,sd(x))
}
mean.sds<- c(mean.sds,mean(dum))
}
2003 Aug 11
2
default directory RGui for windows NT
Hello,
Can anyone tell me how to change the default directory in RGui for
windows NT?
Thanx,
Roy
2004 Sep 22
0
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2005 Jun 15
1
Chi square convolution?
Hi,
I want to determine the confidence interval on the sum of two sigma's.
Is there an easy way to do this in R? I guess I have to use some sort of
chisquare convolution algorithm???
Thanx,
Roy
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