E-GAZ-AUDIT — anomaliya monitoring paneli (S8)

model: Isolation Forest {"n_estimators": 600, "max_samples": 0.5, "contamination": 0.12, "random_state": 42} · threshold (train kvantili) = 0.0000 · rule_version 1.0 · o'qitilgan: 2026-10-01 03:32:53 · test davri: 2025Q3–2026Q2
F1 (test)
0.565
balans ko'rsatkichi
Precision
0.635
signallarning aniqligi
Recall
0.508
topilgan anomaliyalar
FPR
0.073
AC-2: ≤ 0,10 ✔
ROC-AUC
0.812
ajratish sifati
Alertlar (test)
1,472
tekshiruvga tavsiya

Model taqqoslash (TZ §8.2 — uch nomzod)

ModelRoli (TZ)Train vaqtiIzoh
Isolation Forestv1 — asosiy3.93 stanlangan: tez, kam tuning, driftga chidamli
Autoencoderv2 — shartli taqqoslash—ma'lumotga och, driftga sezgir (TZ §8.2)
One-Class SVMnazorat guruhi—sekin, kernel sezgir — ish rejimida ishlatilmaydi
To'liq raqamlar: reports/eval_report.md (uch model bir xil protokolda baholangan)

Tur bo'yicha recall (A1–A8)

A10.50
A20.26
A30.26
A40.99
A51.00
A60.59
A70.13
A80.06
A4 (birlik xatosi) deyarli to'liq topiladi; A5/A7/A8 — nozik turlar, feature kengaytirish keyingi iteratsiya (TZ §10 — cheklovlar yashirilmaydi).

Figuralar

PR / ROC kurvalari — model ajratish sifati
PR / ROC kurvalari — model ajratish sifati
Skor taqsimoti — normal va anomaliya
Skor taqsimoti — normal va anomaliya
A1–A8 turlari bo'yicha recall
A1–A8 turlari bo'yicha recall
Feature dreyfi (PSI) — train → test
Feature dreyfi (PSI) — train → test
FPR va Recall trendi (threshold muzlatilgan)
FPR va Recall trendi (threshold muzlatilgan)

Alert feed — top-20 (izoh: eng katta og'ishli 3 feature)

KorxonaChorakSektorSkorHolatIzoh (top-3)Biz bilgan tur (sinov)
C000842026Q1agriculture0.2826ALERTchetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=33.06) · mavsumiy fondan chetlanish (z=12.69) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.43)A4
C011632026Q1waste0.2797ALERThisob ↔ energiya nomuvofiqligi (z=14.93) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.43) · mavsumiy fondan chetlanish (z=11.38)A4
C005922025Q4ippu0.2790ALERTemissiya sig'imi (birlik mahsulotga) (z=18.06) · hisob ↔ energiya nomuvofiqligi (z=14.8) · hisobot quyi-dan-yuqoriga proksidan chetlangan (z=10.83)A4
C009452026Q1waste0.2756ALERThisob ↔ energiya nomuvofiqligi (z=14.73) · mavsumiy fondan chetlanish (z=11.64) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.24)A4
C019132026Q2ippu0.2753ALERTemissiya sig'imi (birlik mahsulotga) (z=16.73) · hisob ↔ energiya nomuvofiqligi (z=14.55) · mavsumiy fondan chetlanish (z=13.44)A4
C016402026Q2waste0.2637ALERTmavsumiy fondan chetlanish (z=13.18) · hisob ↔ energiya nomuvofiqligi (z=12.94) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.43)A4
C000302025Q3ippu0.2525ALERTemissiya sig'imi (birlik mahsulotga) (z=15.71) · hisob ↔ energiya nomuvofiqligi (z=13.24) · mavsumiy fondan chetlanish (z=11.54)A4
C010222026Q2ippu0.2516ALERTemissiya sig'imi (birlik mahsulotga) (z=18.39) · hisob ↔ energiya nomuvofiqligi (z=14.92) · mavsumiy fondan chetlanish (z=13.8)A4
C000772026Q1agriculture0.2506ALERTchetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=29.9) · mavsumiy fondan chetlanish (z=11.44) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.38)A4
C016022025Q4waste0.2488ALERThisob ↔ energiya nomuvofiqligi (z=12.7) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.06) · hisobot quyi-dan-yuqoriga proksidan chetlangan (z=10.83)A4
C022212026Q1ippu0.2462ALERTemissiya sig'imi (birlik mahsulotga) (z=16.97) · hisob ↔ energiya nomuvofiqligi (z=15.27) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.24)A4
C005922025Q3ippu0.2436ALERTemissiya sig'imi (birlik mahsulotga) (z=16.17) · hisob ↔ energiya nomuvofiqligi (z=14.17) · mavsumiy fondan chetlanish (z=11.39)A4
C005732025Q3agriculture0.2418ALERTchetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=-21.23) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.43) · hisobot quyi-dan-yuqoriga proksidan chetlangan (z=10.83)A4
C014682026Q2agriculture0.2404ALERTchetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=16.76) · mavsumiy fondan chetlanish (z=14.47) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.43)A4
C008922025Q3ippu0.2396ALERTemissiya sig'imi (birlik mahsulotga) (z=17.15) · hisob ↔ energiya nomuvofiqligi (z=15.74) · mavsumiy fondan chetlanish (z=12.61)A4
C020032026Q1energy0.2394ALERTchetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=18.54) · mavsumiy fondan chetlanish (z=14.67) · emissiya sig'imi (birlik mahsulotga) (z=11.8)A4
C009302026Q2agriculture0.2385ALERTmavsumiy fondan chetlanish (z=16.2) · chetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=15.88) · hisob ↔ energiya nomuvofiqligi (z=11.42)A4
C006492026Q2energy0.2369ALERTchetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=26.36) · mavsumiy fondan chetlanish (z=14.68) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.43)A4
C018602026Q1agriculture0.2358ALERTchetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=22.31) · proxy chetlanishi o'z tarixidan farq qilgan (z=11.36) · hisobot quyi-dan-yuqoriga proksidan chetlangan (z=10.83)A4
C021952026Q2energy0.2353ALERTmavsumiy fondan chetlanish (z=16.59) · chetlanish × faoliyat o'zgarishi (vaqt-aralashtirish signali) (z=15.71) · emissiya sig'imi (birlik mahsulotga) (z=11.57)A4
O'qish qoidasi: bu panel qaror chiqarmaydi — faqat tekshiruv ustuvorligini ko'rsatadi. Har bir signal inson ko'rigiga tushadi (AC-5); «biz bilgan tur» ustuni faqat sinov ma'lumotida mavjud (real tizimda yo'q).

Model monitoring — dreyf va FPR trendi (S8)

Qaror: MEDIAN-SLIDE QAYTA KALIBRLASH (R41 siyosati qo'llaniladi)
FPR chegaradan (0,10) oshgan davrlar: 2026Q1 · Model qayta o'qitilmaydi — threshold normal skorlar siljishiga moslashadi · Siyosat: t = t_train + (median_davr − median_train); faqat skorlar, label yo'q · Samara (eval_report.md §FPR nazorati): eng yomon chorak FPR 0,1075 → 0,0903 ✅
Eng katta dreyfi bo'lgan feature'lar (PSI)
FeaturePSIKS statHolat
quarter_index12.20331.0⚪ vaqt
drift_slope0.17290.0736🟡 kuzatuv
proxy_gap_x_growth0.0780.0561🟢 stabil
drift_estimate0.05580.0567🟢 stabil
proxy_gap_own_dev0.04550.0467🟢 stabil
reporting_volatility0.03840.0516🟢 stabil
offsets_share_growth0.0320.0287🟢 stabil
offsets_own_dev0.03160.0401🟢 stabil
PSI: <0,10 stabil · 0,10–0,25 kuzatuv · >0,25 dreyf. ⚪ vaqt indeksi konstruksiya bo'yicha o'zgaradi — qarorga kirmaydi. To'liq: reports/monitor_report.md
Davrlar kesimida (threshold muzlatilgan)
DavrYozuvFPRRecall
2025Q32,3000.04940.3526
2025Q42,3000.06050.4824
2026Q12,3000.10750.6705
2026Q22,3000.07300.5642
FPR 2026Q1 da chegara (0,10) dan oshgan — model emas, threshold yangi train davridan qayta hisoblanishi tavsiya etiladi.

Model monitoring — audit izi (AC-8)

ParametrQiymat
ModelIsolationForest {"n_estimators": 600, "max_samples": 0.5, "contamination": 0.12, "random_state": 42}
Feature'lar33 ta (6 guruh) — ro'yxat models/metadata.json
Threshold0.000000 (faqat train kvantilidan)
Train / test hajmi41,400 / 9,200 yozuv
O'qitilgan sana2026-10-01 03:32:53
Ma'lumot manbasiUZ-proksi sintetik (TZ §6.2 — L1/L2/L3 qatlamlari)
Keyingi qadam (real tizim): PQ-343 (01.03.2026 stansiyalar · 01.09.2026 platforma) integratsiyasi bilan real oqimga ulanish.