A dataset of aggregated daily sales of products in medium-sized supermarkets in western Paraná (2019–2024)

This dataset presents daily aggregated sales data from two supermarkets in western Paraná, Brazil, covering the period from 2019 to 2024. The research hypothesis underlying this dataset is that sales performance is influenced by various factors, including promotions, seasonality, and special calendar events such as holidays. By analyzing this data, researchers can assess how pricing strategies, discount applications, and consumer behavior fluctuate over time.

本数据集收录巴西巴拉那州西部两家超市的每日汇总销售数据，时间覆盖2019年至2024年。本数据集所依托的研究假设为：销售绩效受多重因素影响，涵盖促销活动、季节节律以及节假日等特殊日历事件。通过对该数据集开展分析，研究人员可评估定价策略、折扣应用情况与消费者行为随时间推移产生的波动情况。