Fig. 4From: Prediction of Stress Increase at Ultimate in Unbonded Tendons Using Sparse Principal Component AnalysisSPCA loading heat maps for the a SPCA-All-Int, b SPCA-All-Ext, c SPCA-ContCate-Int, d SPCA-ContCate-Ext, e SPCA-SS-Int, f SPCA-SS-Ext, g SPCA-CC-Int, and h SPCA-CC-Ext models.Back to article page