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fix: coi better defined and aligned and sac improved

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Daniel Rosel
2026-01-25 10:36:37 +01:00
parent 1224841a82
commit 98a9a3738c
3 changed files with 5 additions and 5 deletions
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5
lab/case/thesis/simplified.py
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@@ -14,7 +14,7 @@ from dataclasses import dataclass, field
from typing import Dict, List, Tuple
import numpy as np
from .coi import COIWindow, compute_coi_window, coi_erosion
from .coi import COIWindow, compute_coi_window
from .separability import TRANS_H, TRANS_A, kl_div, build_kernel, compute_divergence, estimate_alpha
ACTION_WEIGHTS = {"add_to_cart": 0.8, "checkout": 0.9, "purchase": 1.0, "view": 0.15, "detail": 0.25, "hover": 0.3, "start": 0.05, "end": 0.0}
@@ -209,7 +209,8 @@ if __name__ == "__main__":
print(f'sessions: {len(sessions)}, agents: {sum(1 for s in sessions if s.actor=="A")}')
for n in [1, 5, 10, 50, 100]:
print(f'N={n:3d} agents -> COI erosion: {coi_erosion(n, price_std=5.0):.3f}')
# theoretical: erosion = 1 - 2/(N+1) for uniform order statistic
print(f'N={n:3d} agents -> COI erosion: {1.0 - 2.0/(n+1):.3f}')
events = [Event('view', 0, 20.0, 0.1), Event('detail', 0, 20.0, 0.5), Event('cart', 0, 20.0, 1.0), Event('purchase', 0, 20.0, 2.0)]
print(f'human-like session alpha_hat: {estimate_alpha(Session(sid="test", events=events, actor="H")):.3f}')