Table 7 Number of features selected by different wrapper methods on the real studies
From: Artificial Intelligence based wrapper for high dimensional feature selection
Real Studies | Performance (Number of Features Selected) | Existing Models | AIWRAP | ||||||
|---|---|---|---|---|---|---|---|---|---|
ALASSO | GLASSO | LASSO | SPLS | Enet | AEnet | AIWRAP-L | AIWRAP -LLr | ||
Mean (Range) | |||||||||
Marginal Models | |||||||||
I | Marginal (p = 44) | 7 (4–14) |  | 7 (3–16) | 23 (3–44) | 13 (4–22) | 11 (4–21) | 13 (7–21) | 10 (5–16) |
II | Marginal (p = 19) | 5 (1–10) |  | 7 (1–12) | 9 (1–15) | 8 (1–15) | 7 (1–12) | 9 (4–13) | 6 (3–9) |
III | Marginal (p = 33) | 8 (4–11) |  | 12 (6–16) | 11 (4–33) | 13 (5–18) | 10 (4–18) | 13 (10–18) | 9 (4–13) |
IV | Marginal (p = 26) | 6 (5–7) |  | 7 (5–9) | 7 (5–14) | 8 (5–11) | 7 (5–12) | 7 (5–9) | 5 (3–9) |
| Â | Â | Interaction Models | |||||||
I | Marginal (p = 44) | 13 (7–24) | 42 (41–43) | 12 (7–23) | 12 (3–44) | 22 (10–36) | 21 (7–32) | 21 (15–26) | 20 (14–26) |
Interaction (χ = 946) | 4 (1–11) | 170 (156–183) | 4 (0–11) | 63 (0–591) | 13 (1–46) | 11 (0–23) | 23 (8–47) | 17 (5–35) | |
II | Marginal (p = 19) | 10 (2–18) | 19 (19–19) | 9 (1–16) | 11 (1–19) | 9 (1–15) | 10 (1–16) | 12 (9–15) | 10 (1–14) |
Interaction (χ = 171) | 6 (0–19) | 94 (87–108) | 4 (0–8) | 24 (0–117) | 6 (0–21) | 6 (0–14) | 15 (5–37) | 8 (0–13) | |
III | Marginal (p = 33) | 15 (6–26) | 33 (32–33) | 15 (3–23) | 4 (1–10) | 14 (4–23) | 16 (10–23) | 16 (10–21) | 15 (2–21) |
Interaction (χ = 528) | 6 (1–25) | 125 (113–137) | 5 (0–16) | 1 (0–4) | 4 (0–16) | 5 (1–15) | 22 (1–49) | 19 (1–49) | |
IV | Marginal (p = 26) | 5 (3–6) | 7 (5–9) | 6 (3–9) | 9 (6–12) | 7 (4–10) | 5 (3–6) | 10 (6–13) | 10 (6–13) |
Interaction (χ = 299) | 3 (1–4) | 7 (5–10) | 4 (2–6) | 12 (7–16) | 5 (2–7) | 3 (1–5) | 13 (7–26) | 13 (7–26) | |