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7 results for “from:Jarle Brinchmann”

linear functional relationships with heteroscedastic & non-Gaussian errors - any packages around?
Jarle Brinchmann · Dec 1, 2008 · r-help

Hi, I have a situation where I have a set of pairs of X & Y variables for each of which I have a (fairly) well-defined PDF. The PDF(x_i) 's and PDF(y_i)'s are unfortunately often...

linear functional relationships with heteroscedastic & non-Gaussian errors - any packages around?
Jarle Brinchmann · Dec 2, 2008 · r-help

[apologies if this appears twice] Hi, I have a situation where I have a set of pairs of X & Y variables for each of which I have a (fairly) well-defined PDF. The PDF(x_i) 's and PDF(y...

hypergeometric
Jarle Brinchmann · Dec 3, 2008 · r-help

The dhyper etc deal with the hypergeometric _distribution_ while what you appear to want have is the hypergeometric special function (the connection is that the regular hypergeometric function is the generating function for the hypergeometric distribution if I recall correctly...

Classification of supernovae - a challenge
Jarle Brinchmann · Jan 29, 2010 · r-help

Hi all, I thought I'd just point out, to those not having yet seen this, that today there was a classification challenge posted for astronomy. The web-site is http://www.hep.anl.gov/SNchallenge/ [I have nothing to...

linear functional relationships with heteroscedastic & non-Gaussian errors - any packages around?
Jarle Brinchmann · Dec 2, 2008 · r-help

Thanks for the reply! On Tue, Dec 2, 2008 at 6:34 PM, Prof Brian Ripley <ripley at stats.ox.ac.uk> wrote: > I wonder if you are using this term in its correct technical sense. > A linear functional relationship...

hdf files
Jarle Brinchmann · Jan 27, 2010 · r-help

Are you sure these are hdf5 files? If they are HDF4 files you will not be able to load them with the hdf5 package. I am not aware of a HDF4 package for R but I might be wrong. If...

linear functional relationships with heteroscedastic & non-Gaussian errors - any packages around?
Jarle Brinchmann · Dec 2, 2008 · r-help

Yes I think so if the errors were normally distributed. Unfortunately I'm far from that but the combination of sem & its bootstrap is a good way to deal with it in the normal case. I must admit as a...

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