shuttle                 package: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.

