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Lena Petrova · ML research, analytics & open notebooks.

Browse NotebooksExplore Topics
24Notebooks
9Competitions
4.2kVotes
18Datasets
LIVE · 17:55:45 UTC
Leaderboard · Top 6 notebooks ranked by competition score
#Notebook / EntryScoreΔ
1Anomaly Detection Masterclass
unsupervisedfraud
0.9834▲ +2
2XAI Black-Box Analysis
xaishap
0.9712—
3LLM Unboxing Future
llmnlp
0.9658▼ -1
4Neural Architecture NLP
nasnlp
0.9501▲ +3
5MLOps Data Versioning
mlopsdvc
0.9387▼ -2
6Time Series XAI
time-seriesxai
0.9244▲ +1
Model MetricsIllustrative benchmark telemetry
94%
Accuracy
XGBoost Fraud v2
▲ 3.2pp vs baseline
97%
AUC-ROC
LightGBM Ensemble
▲ 1.8pp vs baseline
89%
F1-Score
Neural Net Tuned
▼ 0.5pp vs baseline
91%
Precision
Random Forest
▲ 2.1pp vs baseline
87%
Recall
LogReg Baseline
▼ 1.2pp vs baseline
Featured NotebooksAll notebooks →
PY
Unmasking Fraud with Data Science
▲ 312⏱ 4m 22s👁 8.1k
fraud-detectionxgboostpandas
0.9834score
PY
Explainable AI: Non-Negotiable in 2024
▲ 278⏱ 6m 18s👁 6.3k
xaishaplime
0.9712score
PY
Write Faster Python Code
▲ 195⏱ 3m 07s👁 12k
pythonperformanceprofiling
0.9501score
NB
Neural Architecture Search for NLP
▲ 167⏱ 8m 44s👁 4.2k
nasnlptransformers
0.9387score
PY
Anomaly Detection Techniques
▲ 241⏱ 5m 11s👁 7.8k
anomalyisolation-forestunsupervised
0.9244score
NB
Generative AI: LLMs Unboxed
▲ 389⏱ 9m 02s👁 15k
llmgptgenerative-ai
0.9658score
Feature ImportanceXGBoost · Fraud Detection
transaction_amount
92%
velocity_24h
78%
merchant_category
64%
card_age_days
53%
geo_mismatch_score
47%
time_since_last_txn
38%
device_fingerprint
29%
Score Distribution
0.00.10.20.30.40.50.60.70.8255075100
Kernels Running 7 active
🤖
XGBoost Fraud v2 — training completeEpoch 120/120 · val_auc: 0.9721
2m ago
📊
EDA Notebook committedStrategic Power of Data-Driven Decisions
11m ago
⚡
Kernel timeout warningNeural Architecture Search · memory 14.2GB
23m ago
🔍
Hyperparameter sweep startedOptuna · 80 trials · LightGBM
34m ago
✅
MLOps pipeline passed CIDVC + GitHub Actions · 3 stages
52m ago
📦
Dataset v4 publishedFraud Detection Benchmark 2024
1h ago
🏆
Leaderboard position +2Anomaly Detection Competition
2h ago
Signals & DatasetsBrowse all →
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