search for: ambroise

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

2008 Sep 26
1
issue with varSel.svm.rfe in package MCRestimate
Hello all, I would like to perform SVM-RFE (Guyon et al. 2002) in R and have only found one implementation of this algorithm. The function belongs to the MCRestimate package but when I try to use it I encounter a problem - the function appears to be missing a required package or other function that I simply cannot find available anywhere. Here is my session info followed by a simple example
2004 Nov 24
2
LDA with previous PCA for dimensionality reduction
Dear all, not really a R question but: If I want to check for the classification accuracy of a LDA with previous PCA for dimensionality reduction by means of the LOOCV method: Is it ok to do the PCA on the WHOLE dataset ONCE and then run the LDA with the CV option set to TRUE (runs LOOCV) -- OR-- do I need - to compute for each 'test-bag' (the n-1 observations) a PCA
2002 Nov 23
3
Upgrading to Samba 2.2.7
I'm running Red Hat version 7.2 as server. It has been fully upgraded from Red Hat UP2DATE. Samba 2.2.3a is currently running on the server with a working smb.conf file. I've noted a lot of comments/suggestions to upgrade to Samba 2.2.7. I find 2 files on the samba.org site for Red Hat 7.x: samba2.2.7-1.i386.rpm and samba2.2.7.src.rpm When trying to install with the Package Manager I
2004 Dec 13
2
classification for huge datasets: SVM yields memory troubles
Hi I have a matrix with 30 observations and roughly 30000 variables, each obs belongs to one of two groups. With svm and slda I get into memory troubles ('cannot allocate vector of size' roughly 2G). PCA LDA runs fine. Are there any way to use the memory issue withe SVM's? Or can you recommend any other classification method for such huge datasets? P.S. I run suse 9.1 on a 2G RAM
2012 Oct 28
2
Domain DFS on samba 4
...tand Samba 3 cannot run domain DFS because it requires Active Directory. I would like to know if this will be possible with Samba 4? Respectfully, -- Ludovic Rouse-Lamarre, ing. jr Coordonnateur au support technique ludovic.rouse-lamarre at xyzcivitas.com Groupe XYZCivitas Inc. 4000 rue Saint-Ambroise Bureau 190 Montr?al, Qu?bec, H4C 2C7 http://www.xyzcivitas.com