mlbench: Machine Learning Benchmark Problems

A collection of artificial and real-world machine learning benchmark problems, including, e.g., several data sets from the UCI repository.

Install the latest version of this package by entering the following in R:
AuthorFriedrich Leisch and Evgenia Dimitriadou.
Date of publication2012-07-10 11:51:32
MaintainerFriedrich Leisch <>

View on CRAN

Man pages Convert an mlbench object to a dataframe

bayesclass: Bayes classifier

BostonHousing: Boston Housing Data

BreastCancer: Wisconsin Breast Cancer Database

DNA: Primate splice-junction gene sequences (DNA)

Glass: Glass Identification Database

HouseVotes84: United States Congressional Voting Records 1984

Ionosphere: Johns Hopkins University Ionosphere database

LetterRecognition: Letter Image Recognition Data

mlbench.2dnormals: 2-dimensional Gaussian Problem

mlbench.cassini: Cassini: A 2 Dimensional Problem Circle in a Square Problem

mlbench.cuboids: Cuboids: A 3 Dimensional Problem

mlbench.friedman1: Benchmark Problem Friedman 1

mlbench.friedman2: Benchmark Problem Friedman 2

mlbench.friedman3: Benchmark Problem Friedman 3

mlbench.hypercube: Corners of Hypercube

mlbench.peak: Peak Benchmark Problem

mlbench.ringnorm: Ringnorm Benchmark Problem

mlbench.shapes: Shapes in 2d

mlbench.simplex: Corners of d-dimensional Simplex

mlbench.smiley: The Smiley

mlbench.spirals: Two Spirals Benchmark Problem

mlbench.threenorm: Threenorm Benchmark Problem

mlbench.twonorm: Twonorm Benchmark Problem

mlbench.waveform: Waveform Database Generator

mlbench.xor: Continuous XOR Benchmark Problem

Ozone: Los Angeles ozone pollution data, 1976

PimaIndiansDiabetes: Pima Indians Diabetes Database

plot.mlbench: Plot mlbench objects

Satellite: Landsat Multi-Spectral Scanner Image Data

Servo: Servo Data

Shuttle: Shuttle Dataset (Statlog version)

Sonar: Sonar, Mines vs. Rocks

Soybean: Soybean Database

Vehicle: Vehicle Silhouettes

Vowel: Vowel Recognition (Deterding data)

Zoo: Zoo Data

Functions Man page
bayesclass Man page
bayesclass.mlbench.2dnormals Man page
bayesclass.mlbench.cassini Man page Man page
bayesclass.mlbench.cuboids Man page
bayesclass.mlbench.ringnorm Man page
bayesclass.mlbench.threenorm Man page
bayesclass.mlbench.twonorm Man page
bayesclass.mlbench.xor Man page
bayesclass.noerr Man page
BostonHousing Man page
BostonHousing2 Man page
BreastCancer Man page
DNA Man page
Glass Man page
HouseVotes84 Man page
hypercube Man page
Ionosphere Man page
LetterRecognition Man page
mlbench.1spiral Man page
mlbench.2dnormals Man page
mlbench.cassini Man page Man page
mlbench.corners Man page
mlbench.cuboids Man page
mlbench.friedman1 Man page
mlbench.friedman2 Man page
mlbench.friedman3 Man page
mlbench.hypercube Man page
mlbench.peak Man page
mlbench.ringnorm Man page
mlbench.shapes Man page
mlbench.simplex Man page
mlbench.smiley Man page
mlbench.spirals Man page
mlbench.threenorm Man page
mlbench.twonorm Man page
mlbench.waveform Man page
mlbench.xor Man page
Ozone Man page
PimaIndiansDiabetes Man page
PimaIndiansDiabetes2 Man page
plot.mlbench Man page
Satellite Man page
Servo Man page
Shuttle Man page
simplex Man page
Sonar Man page
Soybean Man page
Vehicle Man page
Vowel Man page
Zoo Man page

Questions? Problems? Suggestions? or email at

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.