# Store Item Demand Forecasting Challenge — Data

来源：https://www.kaggle.com/competitions/demand-forecasting-kernels-only/data

采集时间：2026-10-19T18:56:01Z

The objective of this competition is to predict 3 months of item-level sales data at different store locations.

## File descriptions

*   **train.csv** - Training data
*   **test.csv** - Test data (Note: the Public/Private split is time based)
*   **sample_submission.csv** - a sample submission file in the correct format

## Data fields

*   **date** - Date of the sale data. There are no holiday effects or store closures.
*   **store** - Store ID
*   **item** - Item ID
*   **sales** - Number of items sold at a particular store on a particular date.