(a) Projection of the variables on the factor-plane (1 × 2)
(b) Projection of the cases on the factor-plane (1 × 2). Cases with sum of cosine square ≥  0.00
(c) Projection of the variables on the factor-plane (1 × 2)
(d) Projection of the cases on the factor-plane (1 × 2). Cases with sum of cosine square ≥ 0.00
(e) Projection of the variables on the factor-plane (1 × 2)
(f) Projection of the variables on the factor-plane (1 × 2). Cases with sum of cosine square ≥ 0.00
Figure 4: Cov-PCA samples projection of attributes and jam samples ((a) and (b) strawberry; (c) and (d) raspberry; (e) and (f) cherry) made with the sugars sucrose, fructose, sorbitol, sorbitol + FOS, and fructose + FOS, after sensorial data analysis.