search for: werkman

Displaying 5 results from an estimated 5 matches for "werkman".

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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
Address expired
Due to SPAM problems this e-mail address is no longer in use. Your mail concerning "Mail Delivery (failure werkman@digifarma.nl)" will be trashed. Please contact us for the new address. Wegens SPAM overlast is dit e-mail adres niet meer in gebruik. Uw mail betreffende "Mail Delivery (failure werkman@digifarma.nl)" wordt vernietigd. Informeer a.u.b. naar het nieuwe adres.
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 -- The information contained in this communication and any atta...{{dropped}}