add income quintile-specific cpi ? #2
Description
https://www.bls.gov/cpi/research-series/r-cpi-i.htm
not sure how I might do this... maybe a separate series for each quintile?
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https://www.bls.gov/cpi/research-series/r-cpi-i.htm
not sure how I might do this... maybe a separate series for each quintile?