Table 5 Analysis of NCI data: number of zero loadings
From: Super-sparse principal component analyses for high-throughput genomic data
Principal component scores | Z 1 | Z 2 | Z 3 | Z 4 | Z 5 | Z 6 | Z 7 | Z 8 |
|---|---|---|---|---|---|---|---|---|
PCA | ||||||||
Number of nonzero loadings | 21011 | 20385 | 19226 | 21099 | 20948 | 20817 | 20945 | 20997 |
Adjusted Variance (%) | 12.3 | 10.2 | 6.6 | 4.1 | 3.6 | 3.2 | 2.9 | 2.6 |
Cumulative adjusted Variance (%) | 12.3 | 22.5 | 29.1 | 33.2 | 36.8 | 40.0 | 42.9 | 45.5 |
SPCA - HL | ||||||||
Number of nonzero loadings | 13259 | 4086 | 15362 | 13547 | 13946 | 10445 | 9890 | 10958 |
Adjusted Variance (%) | 20.6 | 13.4 | 11.5 | 6.4 | 6.1 | 4.9 | 4.0 | 4.1 |
Cumulative adjusted Variance (%) | 20.6 | 34.0 | 45.5 | 51.9 | 58.0 | 62.9 | 66.9 | 71.0 |
SSPCA - HL | ||||||||
Number of nonzero loadings | 1260 | 681 | 375 | 290 | 47 | 58 | 33 | 3434 |
Adjusted Variance (%) | 22.3 | 8.7 | 6.1 | 6.5 | 1.3 | 0.4 | 0.0 | 1.6 |
Cumulative adjusted Variance (%) | 22.3 | 31.0 | 37.1 | 43.6 | 44.9 | 45.3 | 45.3 | 46.9 |