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Codebook for Assignment 7, Question 2 data 
Files detroitrace.csv and losangelesrace.csv
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All data were downloaded from the 2016-2020 American Community Survey 
Units of observations: Census tracts in 2020 boundaries
detroitrace.csv: Detroit City Area
losangelesrace.csv: Los Angeles City Area

Note: All tracts that have zero population sizes were removed
 
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Data Dictionary
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GEOID: Census Tract ID

nhblk: Number of non-Hispanic black - tract

nhwhite: Number of non-Hispanic white - tract

nhasn: Number of non-Hispanic Asian - tract

hisp: Number of Hispanic - tract

tpop: Total population - tract

City: City