Data: predictions/spring_wheat_yield_predictions.parquet,
predictions/spring_wheat_yield_loo.parquet,
gold/crop_production.parquet,
gold/crop_class_share_by_state.parquet,
gold/spring_wheat_yield_prediction_history.parquet
ⓘ States with weather station coverage use a Ridge regression model on weather features. States without weather data use linear trend yield only (marked with * in tables). Trend-only states assume zero deviation from trend.