//this is how to take the values of a variable (column) from all variables you created from the csv file
whitepct=Array.from(csv_data.values(),d=>d[1])
//this is how you map the id column to the values. We will use this for joining with topojson later.
data=Object.assign(newMap(csv_data),{title:["Percentage of Population that is White"]})
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