Abstract：
:We present the Tesco Grocery 1.0 dataset: a record of 420 M food items purchased by 1.6 M fidelity card owners who shopped at the 411 Tesco stores in Greater London over the course of the entire year of 2015, aggregated at the level of census areas to preserve anonymity. For each area, we report the number of transactions and nutritional properties of the typical food item bought including the average caloric intake and the composition of nutrients. The set of global trade international numbers (barcodes) for each food type is also included. To establish data validity we: i) compare food purchase volumes to population from census to assess representativeness, and ii) match nutrient and energy intake to official statistics of food-related illnesses to appraise the extent to which the dataset is ecologically valid. Given its unprecedented scale and geographic granularity, the data can be used to link food purchases to a number of geographically-salient indicators, which enables studies on health outcomes, cultural aspects, and economic factors.
journal_name
Sci Datajournal_title
Scientific dataauthors
Aiello LM,Quercia D,Schifanella R,Del Prete Ldoi
10.1038/s41597-020-0397-7subject
Has Abstractpub_date
2020-02-18 00:00:00pages
57issue
1issn
2052-4463pii
10.1038/s41597-020-0397-7journal_volume
7pub_type
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