synth.tr {MASS} | R Documentation

## Synthetic Classification Problem

### Description

The `synth.tr` data frame has 250 rows and 3 columns. The `synth.te` data frame has 100 rows and 3 columns. It is intended that `synth.tr` be used from training and `synth.te` for testing.

### Usage

    data(synth.tr)

### Format

This data frame contains the following columns:

`xs`
  x-coordinate
`ys`
  y-coordinate
`yc`
  class, coded as 0 or 1.

### Source

Ripley, B.D. (1994) Neural networks and related methods for classification (with discussion). Journal of the Royal Statistical Society series B, 56, 409–456.

Ripley, B.D. (1996) Pattern Recognition and Neural Networks. Cambridge: Cambridge University Press.