Research Article

Mathematical Programming Approaches to Classification Problems

Table 7

Comparison of SPS and GSPS using the N’1 and N’2, normalization constraints.

D 1 D 2 D 3
( 𝑛 1 = 2 1 ; 𝑛 2 = 2 5 ) ( 𝑛 1 = 2 2 ; 𝑛 2 = 4 0 ) ( 𝑛 1 = 5 0 ; 𝑛 2 = 5 0 )
D=2D=3D=2D=3D=2D=3

SPSN’182,6 ( 8 )99 ( 1 )
SPSN’2100 (0)100 (0)
QSPSN’1100 (0)97 ( 3 )100 (0)
QSPSN’2100 (0)100 (0)100 (0)
GSPSN’158,7 ( 1 9 )89,1 ( 5 )67,7 ( 2 0 )100 (0)74 ( 2 6 )100 (0)
GSPSN’2100 (0)83,87 ( 1 0 )100 (0)99 ( 1 )100 (0)
QGSPSN’1100 (0)96,8 ( 2 )100 (0)85 ( 1 5 )100 (0)
QGSPSN’2100 (0)100 (0)97 ( 3 )100 (0)

The values in parentheses are the numbers of misclassified observations.