U : Standardized canonical coefficients for the Ultraviolet wavelength groups UV wavelength  canonical weights G1 G3 260 nm 0.46 2.06 280 nm -0.66 -3.60 300 nm 2.48 5.48 320 nm -1.28 -3.19 h:Standardized canonical coefficients for the Violet color groups Vis wavelength canonical weights G1 G3 520 nm 0.62 1.23 540 nm -1.40 -1.23 560 nm 1.75 0.98

Table 2: Comparison of the standardized canonical coefficient of the first canonical variable.