Extracts purchasing power parity from CIA factbook data. I have included the data file in the repo for conveni
To get the data:
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Go to this URL and get the most recent data download: https://www.cia.gov/the-world-factbook/about/archives/
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Download the most recent version. Extract it.
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Find the file factbook-2020/fields/211rank.html
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Put it in the project