* A LEM example of a mixture model for data from Swets,
* Tanner, Birdsall, 1961. See DeCarlo, L. T. (2002).
* Signal detection theory with finite mixture distributions:
* Theoretical developments with applications to recognition
* memory. Psychological Review, 109,710-721.
man 2
lat 1
dim 2 6 2
lab W A X
model W
  A|XW cum(a) {cov(XW,1)}
dat [174  46
     172  57
     104  66
      92 101
      41 154
       8 173]
des [0 0 0 1]