Table 1 The mean and standard deviation (in parenthesis) of false positives (FP) and false negatives (FN) for connections from neighbor selection (NS), graphical LASSO (gLASSO) and weighted graphical LASSO (wgLASSO) methods under different node number (p) and sample size (n) scenarios
p | n | NS (or) | NS (and) | gLASSO | wgLASSO (a c c=60%) | wgLASSO (a c c=40%) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | FP | FN | FP | FN | FP | FN | FP | FN | FP | FN |
100 | 50 | 150 (17) | 151 (10) | 166 (15) | 157 (10) | 154 (23) | 148 (11) | 1 1 2 ( 1 7 ) | 1 0 4 ( 1 1 ) | 129 (18) | 122 (11) |
| Â | 100 | 113 (16) | 111 (15) | 132 (17) | 122 (16) | 114 (20) | 112 (15) | 8 2 ( 1 5 ) | 7 4 ( 1 3 ) | 93 (16) | 87 (12) |
| Â | 200 | 69 (13) | 59 (18) | 78 (15) | 72 (21) | 79 (17) | 63 (19) | 5 1 ( 1 1 ) | 3 9 ( 1 4 ) | 58 (13) | 50 (15) |
500 | 250 | 707 (42) | 679 (77) | 758 (43) | 738 (82) | 710 (48) | 681 (77) | 4 8 0 ( 3 6 ) | 4 5 1 ( 6 6 ) | 549 (39) | 526 (60) |
| Â | 500 | 425 (30) | 453 (129) | 473 (42) | 493 (134) | 431 (40) | 468 (129) | 2 7 7 ( 2 6 ) | 2 9 0 ( 8 7 ) | 330 (31) | 313 (106) |
| Â | 1000 | 175 (22) | 164 (117) | 189 (27) | 177 (118) | 199 (28) | 186 (126) | 1 0 9 ( 1 8 ) | 1 1 0 ( 7 6 ) | 130 (21) | 135 (88) |