Displaying 4 results from an estimated 4 matches for "liblinear".
2012 Nov 07
1
LiblineaR: accept sparse matrices
Thibault,
It would be nice if LiblineaR() accepted data in the form of a sparse
matrix (it does not accept whatever e1071::read.matrix.csr returns).
It would also be nice if there were functions to read/write files in the
native liblinear file format; I am sure the original liblinear library
provides at least the input code.
Thanks!
-...
2012 Jul 13
1
LiblineaR: read/write model files?
How do I read/write liblinear models to files?
E.g., if I train a model using the command line interface, I might want
to load it into R to look the histogram of the weights.
Or I might want to train a model in R and then apply it using a command
line interface.
--
Sam Steingold (http://sds.podval.org/) on Ubuntu 12.04 (precis...
2011 Oct 06
0
linear classifiers with sparse matrices
I've been trying to get some linear classifiers (LiblineaR, kernlab,
e1071) to work with a sparse matrix of feature data. In the case of
LiblineaR and kernlab, it seems I have to coerce my data into a dense
matrix in order to train a model. I've done a number of searches,
read through the manuals and vignettes, but I can't seem to see how to
use...
2010 Apr 06
3
svm of e1071 package
Hello List,
I am having a great trouble using svm function in e1071 package. I have 4gb of data that i want to use to train svm. I am using Amazon cloud, my Amazon Machine Image(AMI) has 34.2 GB of memory. my R process was killed several times when i tried to use 4GB of data for svm. Now I am using a subset of that data and it is only 1.4 GB. i remove all unnecessary objects before calling