Particularly for calculating the integration-segregation index (and, I suppose by necessity, the the trend line the index is based off). The diversity index calcs we can get from footnotes 5 and 6, and the data from, as the article notes, US Census tract data. This gives readers enough to calculate diversity indices for any community (eg smaller towns and suburbs), but not enough to create an integration index.
It'd be great to see the calculations for http://fivethirtyeight.com/features/the-most-diverse-cities-are-often-the-most-segregated/
Particularly for calculating the integration-segregation index (and, I suppose by necessity, the the trend line the index is based off). The diversity index calcs we can get from footnotes 5 and 6, and the data from, as the article notes, US Census tract data. This gives readers enough to calculate diversity indices for any community (eg smaller towns and suburbs), but not enough to create an integration index.