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 7.3-47 Index]