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. Author manuscript; available in PMC: 2011 Sep 1.
Published in final edited form as: Ind Eng Chem Res. 2010 Sep 1;49(17):7843–7848. doi: 10.1021/ie901891c

Table 3.

Subject-by-subject PCA results for the experimental test data using the Q statistic.

Subject ID Type of Day Autoscaling 0-to-1 Scaling
X X
1 S 3 0 3 0
N 1 0 1 0
2 S 3 0 3 0
N 0 1 1 0
3 S -- -- -- --
N 0 2 1 1
4 S -- -- -- --
N 1 0 1 0
5 S 3 0 2 1
N 0 3 3 0
6 S 3 0 3 0
N 1 1 2 0
7 S 3 0 2 1
N 3 1 3 1
8 S 3 0 3 0
N 1 1 2 0
9 S -- -- -- --
N 2 1 3 0
Total S 18 0 16 2
N 9 10 17 2

(S)tress day, (N)ormal day. (✓) correct classification, (X) incorrect classification.