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. 2023 May 27;9(6):e16774. doi: 10.1016/j.heliyon.2023.e16774

Table 3.

Sparse loadings for the sparse principal components of the tasting data.

PC1 PC2 PC3 PC4 PC5
Limpidity 0.000 0.000 0.227 −0.491 0.000
Tonality 0.325 0.000 0.031 0.000 0.000
Intensity - Visual 0.307 0.000 0.034 0.000 0.000
Intensity -Olfactory −0.332 0.000 0.000 0.000 0.000
Fruity 0.000 0.000 0.105 −0.129 −0.936
Floral 0.000 0.000 0.000 −0.390 0.000
Herbal 0.000 −0.680 0.000 0.000 0.000
Spicy −0.035 0.000 0.367 0.000 0.000
Quality -Olfactory −0.194 0.000 0.220 0.000 0.000
Alcoholicity 0.000 0.000 −0.510 −0.717 0.066
Softness −0.380 0.000 0.000 0.000 0.000
Sweetness −0.121 0.021 0.000 0.000 0.000
Bitterness 0.000 −0.550 −0.162 0.000 0.000
Acidity 0.319 0.000 0.000 −0.118 0.000
Sapidity 0.000 −0.485 0.000 0.000 0.000
Astringency 0.000 0.000 0.102 0.000 0.000
Balance −0.376 0.000 0.000 0.000 0.000
Structure 0.000 0.000 0.353 0.000 0.347
Persistence 0.000 0.000 0.576 −0.251 0.000
Quality -General −0.357 0.000 0.000 0.000 0.000
Harmony −0.349 0.000 0.000 0.000 0.000