Methods

Stats4

Various functions for classification, including k-nearest neighbour, Learning Vector Quantization and Self-Organizing Maps.

Renjin Script Engine

Provide R functions to read/write/format Excel 2007 and Excel 97/2000/XP/2003 file formats.

Calculates the Delaunay triangulation and the Dirichlet or Voronoi tessellation (with respect to the entire plane) of a planar point set. Plots triangulations and tessellations in various ways.

Implementation of heatmaps that offers more control over dimensions and appearance.

A set of estimators and tests for panel data econometrics.

Build regression models using the techniques in Friedman's papers "Fast MARS" and "Multivariate Adaptive Regression Splines" <doi:10.1214/aos/1176347963>. (The term "MARS" is trademarked and thus not used in the name of the package.)

Supplementary functions for item response models aiming to complement existing R packages. The functionality includes among others multidimensional compensatory and noncompensatory IRT models (Reckase, 2009, <doi:10.1007/978-0-387-89976-3>), MCMC for ...

User-friendly general package providing standard methods for meta-analysis and supporting Schwarzer, Carpenter, and Rücker <DOI:10.1007/978-3-319-21416-0>, "Meta-Analysis with R" (2015): - fixed effect and random effects meta-analysis; - several ...