shuttle {MASS} | R Documentation

## Space Shuttle Autolander Problem

### Description

The `shuttle` data frame has 256 rows and 7 columns. The first six columns are categorical variables giving example conditions; the seventh is the decision. The first 253 rows are the training set, the last 3 the test conditions.

### Usage

    shuttle

### Format

This data frame contains the following factor columns:

`stability`

  stable positioning or not (`stab` / `xstab`).

`error`

  size of error (`MM` / `SS` / `LX` / `XL`).

`sign`

  sign of error, positive or negative (`pp` / `nn`).

`wind`

  wind sign (`head` / `tail`).

`magn`

  wind strength (`Light` / `Medium` / `Strong` / `Out of Range`).

`vis`

  visibility (`yes` / `no`).

`use`

  use the autolander or not. (`auto` / `noauto`.)

### Source

D. Michie (1989) Problems of computer-aided concept formation. In Applications of Expert Systems 2, ed. J. R. Quinlan, Turing Institute Press / Addison-Wesley, pp. 310–333.

### References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

[Package MASS version 7.3-18 Index]