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read daily suprmarket data in all israel stores
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example files
Table Layout Regulations (Hebrew).pdf

Israel Supermarket Chain Data

Last week a new law went into affect forcing all the major Israel Supermarket Chains to publish all prices and promotions so consumers can compare prices and lower prices through transparency. The full info (Google translated from Hebrew) of the law can be found here

The files instead of being in csv format were given to the public in nonuniform gzipped xml files. To say the chains did not act in good faith would be an understatement. The idea behind such a bad formatting scheme is that the government wanted to have private companies make apps so the consumers can access the data through a third party.

Instead R can be used to read the data and have the public actually look at the raw data in data.frames or csv exports

The layout of the tables as set by the Ministry of Economics can be viewed (in hebrew) in the Table Layout Regulations (Hebrew).pdf file.

In the example files folder:

  • mega_20150521.rdata: data from one full day of mega
  • mega_prices_slice.csv first 1000 rows from full day of prices in csv format

In the Stores folder:

XML examples of all the stores in each chain store and a combined dataframe of the files and a csv version.

The Layout

16 Out of 18 chain stores have been coded to retrieve the data and convert them to dataframes.

  • The remaining two
    • FreshMarket (Broken Link)
    • TivTaam (No Data)
chainid chainname provider
7290492000005 Dor Alon cerberus
7290103152017 Osher Ad cerberus
7290700100008 ColBo Hazi Hinam cerberus
7290873900009 Super Dash cerberus
7290803800003 Supershuk Yohananof cerberus
7290785400000 Keshet Taamim cerberus
7290058140886 Rami Levi Shivuk Shikma cerberus
7290696200003 Victory nibit
7290661400001 Machsanei HaShuk nibit
7290058179503 Machsanei Lahav nibit
7290725900003 Yeinot Bitan private
7290055755557 Eden Teva Market private
7290027600007 Shufersal private
7290058140886 Zol VeBegadol private
7290633800006 Coop private
7290055700007 Mega private

The code in mega_gis.r is the raw code to create a function in which the user input the distance willing to travel from current geocode and all stores are filtered accordingly.

  • Data is read for only those stores
  • User can filter basket of items wishes to purchase
  • The gas cost is taken into account as a function of distance from the geocode in the final price (price from transportation auuthority site)

The folder stat_polygon_gis are shp files of the 2008 CBS stat polygons

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