mlbench.waveform
Waveform Database Generator
The generated data set consists of 21 attributes with continuous values and a variable showing the 3 classes (33% for each of 3 classes). Each class is generated from a combination of 2 of 3 "base" waves.
- Keywords
- datagen
Usage
mlbench.waveform(n)
Arguments
- n
- number of patterns to create
Value
-
Returns an object of class
- x
- input values
- classes
- factor vector of length
n
with target classes
"mlbench.waveform"
with components
Source
The original C code for the waveform generator hase been taken from the UCI Repository of Machine Learning Databases at
The C code has been modified to use R's random number generator by Friedrich Leisch, who also wrote the R interface.References
Breiman, L. (1996). Bias, variance, and arcing classifiers. Tech. Rep. 460, Statistics Department, University of California, Berkeley, CA, USA.
Newman, D.J. & Hettich, S. & Blake, C.L. & Merz, C.J. (1998). UCI Repository of machine learning databases [http://www.ics.uci.edu/~mlearn/MLRepository.html]. Irvine, CA: University of California, Department of Information and Computer Science.
Examples
library(mlbench)
p<-mlbench.waveform(100)
plot(p)