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10 results for “from:Roy Werkman”

default directory RGui for windows NT
Roy Werkman · Aug 11, 2003 · r-help

Hello, Can anyone tell me how to change the default directory in RGui for windows NT? Thanx, Roy

Question about biasing in sd()???
Roy Werkman · Mar 9, 2005 · r-help

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Generating data with a certain correlation length
Roy Werkman · Oct 18, 2005 · r-help

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Chi square convolution?
Roy Werkman · Jun 15, 2005 · r-help

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...

Plotting greek symbols in plot titles, labels, etc.
Roy Werkman · Jul 14, 2005 · r-help

Hi, Can anyone please tell me how to use the escape sequences (e.g. \\*a for alfa) for plotting Greek symbols in for example plot titles? I have read the reference manual, but can't seem to get it to...

Question on statistics
Roy Werkman · Mar 23, 2005 · r-help

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...

Question on statistics
Roy Werkman · Mar 23, 2005 · r-help

Ehh, by limited distribution, I meant to say a population of N points. ... -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Roy Werkman Sent: Wednesday...

Question about statistics
Roy Werkman · Jul 6, 2005 · r-help

Hi, Although my question is not directly linked to R functionality, I hope you can forgive me for posing it here. I have been looking for the answer for a long time (~ 4 weeks) and have not been able to...

Lattice: Combining xyplot and histogram
Roy Werkman · Jun 13, 2005 · r-help

Hello Bernd, Did you look at the help for layout(). This is probably what you need... Roy -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of...

Question on statistics
Roy Werkman · Mar 23, 2005 · r-help

Yes, it is discrete, but the underlying distribution is Gaussian. Just got the following from a college: Var(mean of finite population) = ((N - n)/(N - 1)) * var(population) / n This should be it... Greetings, Roy -----Original Message----- From: Liaw, Andy...

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