xgboost is the most famous R package for gradient boosting and it is since long time on the market. In one of my publications, I created a framework for providing defaults (and tunability measures) and one of the packages that I used there was xgboost. The results provided a default ... [Read more...]

Here an overview table of statistical tests that I use for the consultation of medical doctors. Easy-to-use and easy to understand. I usually also hand it over to them. (PDF) [Read more...]

Let’s compare the two popular R packages for machine learning mlr and caret. caret is longer on the market, its first CRAN release seems to be from 2007, while mlr came to CRAN on 2013. As for now, caret seems to be more popular, according to cranlogs caret was downloaded 178029 times ... [Read more...]

In this article I will present a benchmark analysis of different implementations of support vector machines in R. The three packages that I will compare are the most popular package e1071, the also well known package kernlab and the less well known package liquidSVM. [Read more...]

The support vector machine (SVM) is a very different approach for supervised learning than decision trees. In this article I will try to write something about the different hyperparameters of SVM. [Read more...]