Ubvarol/store-sales-forecasting

📈 Store Sales — Fifteen Days Ahead

Forecasting daily sales for 54 Ecuadorian grocery stores × 33 product families — a first time-series study (Kaggle Store Sales — Time Series Forecasting, metric RMSLE).

Time-ordered validation (last 15 days), lag ≥ 16 + rolling-mean features, a log1p target, and a single LightGBM reach 0.487 leaderboard RMSLE (0.409 validation). This Space is a static write-up of the approach and its lessons; the notebook lives on GitHub.