Table 4.

loadings of the first six PCs corresponding to the tuning parameters chosen based on criteria (2.26) and (2.27)

Variables	PC1	PC2	PC3	PC4	PC5	PC6
topdiam	0.471	0	0.246	0	0	0
length	0.484	0	0.268	0	0	−0.266
moist	0	−0.717	0	0.089	0	0.330
testsg	0	−0.618	−0.106	0.088	0	0
ovensg	0	0	−0.576	0	−0.555	−0.396
ringtop	0.134	0	−0.450	0	0	0
ringbut	0.383	0	−0.262	0	0	0
bowmax	0.254	0	0	−0.064	0	0
bowdist	0.383	0	0.093	0	0	0
whorls	0.410	0.323	0	0	0.017	0
clear	0	0	0	−0.977	−0.126	−0.093
knots	0	0	0	0	0.476	−0.782
diaknot	0	0	0.494	0.157	−0.670	−0.208
Variance(%)	0.301	0.140	0.145	0.076	0.061	0.058
Cum. var.(%)	0.301	0.441	0.587	0.662	0.723	0.782