Table 5. PLS results for set 2.
# PCs | % cumulated variance | RMSEV | Q (2) | RMSEC | R2 | ||
---|---|---|---|---|---|---|---|
Women | |||||||
App A | 1 | 97.89 | 5.09 | 0.09 | 5.03 | 0.10 | |
App B | 1 | 98.21 | 4.88 | 0.13 | 4.83 | 0.14 | |
Men | |||||||
App A | 2 | 99.56 | 6.17 | 0.73 | 5.98 | 0.75 | |
App B | 2 | 99.49 | 5.89 | 0.75 | 5.61 | 0.78 |
#PCs = Principal Component; % cumulated variance = amount of information according to the number of optimal principal components; RMSEV = Root Mean Square Error of Validation; Q2 = internal correlation coefficient model cross validation; RMSEC = Root Mean Square Error of Calibration; R2 = correlation coefficient for calibration; App A = “How Old Do I Look? – Age Camera”; App B = “How Old Am I? – Age Camera, Do You Look Like in Selfie Face Pic?”.