Table 4 Computational time and memory requirements for all feature selection methods, compared in terms of number of SNPs
From: Collective feature selection to identify crucial epistatic variants
Method | Computational time based on number of SNPs (in seconds) | Memory requirements based on number of SNPs | ||||||
|---|---|---|---|---|---|---|---|---|
100 | 500 | 50,000 | 100,000 | 100 | 500 | 50,000 | 100,000 | |
LASSO | 4.65 | 58.49 | NA | NA | 10gb | 10gb | NA | NA |
LASSO with interactions | 186.9 | 1800 | NA | NA | 20gb | 20gb | NA | NA |
Elastic Net | 31.44 | 401.11 | NA | NA | 10gb | 10gb | NA | NA |
Ranger | 151.31 | 681.83 | NA | NA | 8gb | 8gb | NA | NA |
Gradient Boosting | 103.22 | 466.95 | NA | NA | 8gb | 8gb | NA | NA |
MDR | 0.25 | 15.03 | 6102 | 89,777 | 1gb | 1gb | 10gb | 30gb |
MultiSURF | 2.48 | 5.13 | NA | NA | 18gb | 39gb | NA | NA |
MultiSURF + TuRF 0.05 | 36.72 | 65.72 | 4420 | 8321 | 18gb | 39gb | 28gb | 28gb |