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https://www.rdocumentation.org/packages/LiblineaR/versions/2.10-8/topics/LiblineaR
LiblineaR allows the estimation of predictive linear models for classification and regression, such as L1- or L2-regularized logistic regression, L1- or L2-regularized L2-loss support vector classification, L2-regularized L1-loss support vector classification and multi-class support vector classification. It also supports L2-regularized support vector regression (with L1- or L2-loss).
https://cran.r-project.org/web/packages/LiblineaR/LiblineaR.pdf
Package ‘LiblineaR’ ... •12 – L2-regularized L2-loss support vector regression (dual) •13 – L2-regularized L1-loss support vector regression (dual) cost cost of constraints violation (default: 1). Rules the trade-off between regulariza-tion and correct classification on data. It can be seen as the inverse of a …
https://stats.stackexchange.com/questions/58684/regularized-logistic-regression-and-support-vector-machine
L2 regularized logistic regression differs with L2 regularized support vector machine with their loss function. Are there more deep differences for these two models? I tried several data sets, and found L2 regularized logistic regression are always better than L2 regulared support vector machine.
https://www.csie.ntu.edu.tw/~cjlin/liblinear/FAQ.html
For L2-regularized logistic regression, the modification is exactly the same. For L2-regularized L2-loss SVR, the modification for function and gradient evaluation is the same. However, its Hessian-vector product is by the code of SVC through inheritance. Therefore, you need to modify l2r_l2_svc_fun::Hv. This FAQ is prepared by Pin-Yen Lin.
https://stackoverflow.com/questions/22128213/efficient-logistic-regression-with-l1-regularization-in-matlab
Efficient logistic regression with L1 regularization in matlab. Ask Question ... (primal) 1 -- L2-regularized L2-loss support vector classification (dual) 2 -- L2-regularized L2-loss support vector classification (primal) 3 -- L2-regularized L1-loss support vector classification (dual) 4 -- support vector classification by Crammer and Singer 5 ...
http://mlpy.sourceforge.net/docs/3.5/liblinear.html
class mlpy.LibLinear(solver_type='l2r_lr', C=1, eps=0.01, weight={})¶. LibLinear is a simple class for solving large-scale regularized linear classification. It currently supports L2-regularized logistic regression/L2-loss support vector classification/L1-loss support vector classification, and L1-regularized L2-loss support vector classification/ logistic regression.
https://github.com/topepo/caret/blob/master/models/files/svmLinear3.R
# 2 - L2-regularized L2-loss support vector classification (primal) # 3 - L2-regularized L1-loss support vector classification (dual) # 12 - L2-regularized L2-loss support vector regression (dual)
https://stats.stackexchange.com/questions/93851/liblinear-types-of-solver
Liblinear types of solver. Ask Question Asked 5 years, ... -s type : set type of solver (default 1) for multi-class classification 0 -- L2-regularized logistic regression (primal) 1 -- L2-regularized L2-loss support vector classification (dual) 2 -- L2-regularized L2-loss support vector classification (primal) 3 -- L2-regularized L1-loss ...
https://github.com/tangjianpku/LINE/tree/master/windows/evaluate/liblinear
p is the sensitiveness of loss of support vector regression. eps is the stopping criterion. nr_weight, weight_label, and weight are used to change the penalty for some classes (If the weight for a class is not changed, it is set to 1).
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