Table 2

Loadings of variables on the first two extracted principal components
Variable PC 1 PC 2
Mono- 0.885 −0.100
Di- 0.939 −0.036
Tri- 0.892 −0.035
Tetra- 0.875 −0.138
Penta- 0.752 −0.206
Hexa- 0.500 0.859
Eigenvalue 4.041 0.811
% of Variance 67.351 13.518
Equation Y1 = 0.440X1 + 0.467X2 + 0.444X3 + 0.435X4 + 0.374X5 + 0.248X6 Y2 = −0.111X1-0.040X2-0.038X3-0.153X4-0.229X5 + 0.953X6
Cumulative % 80.869
KMO Measure 0.866
Bartlett's Test < 0.001 (df = 15)
Scree Test Y
Analyzed No. 257

Zhao et al.

Zhao et al. BMC Genomics 2012 13:435   doi:10.1186/1471-2164-13-435

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