Discriminant Analysis - Statpower

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This data set is analyzed several times in Morrison’s text. In this case, we will examine a standard 2-group linear discriminant analysis the way Morrison reports it, and the way SPSS reports it. Morrison computes the linear discriminant function using Equation (11), and, for each subject, compares the computed function to the cutoff value in Equation (12).
In this case, −1 S is given by ′ 1 2 3.81757 4.23423 2.98649 3.22297 ( x − x ) = [ ] So the discriminant function is
Page 1 and 2: Discriminant Analysis In discrimina
Page 3 and 4: Linear Discriminant Function - Two
Page 5 and 6: The linear discriminant function wa
Page 7 and 8: ( ) βˆ = cA −1 x −x (3) 1 2 w
Page 9 and 10: Recall that group 1 is associated w
Page 11 and 12: so ˆβ in Equation (9) can be repl
Page 13 and 14: Of course, we could generate a diff
Page 15 and 16: above function values will lead to
Page 17: Example. Morrison (1990, page 143)
Page 21 and 22: Note that variables x 1 and x 3 do
Page 23 and 24: But first, let’s perform the anal
Page 25 and 26: Now, if we drop the two non-contrib

Discriminant Analysis - Statpower

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