E7.6 data frame has 34 rows and 5 columns.
This data frame contains the following columns:
a character vector, name of area.
a numeric vector, percentage of population which are black.
a numeric vector, percentage of population which are spanish speaking.
a numeric vector, percentage of population over 65.
a numeric vector, median family income for each area.
Data set were constructed by Prof. Siim Soot, Dept. of Geography, University of Illinois at Chicago.
E7.7, which is the adjacency
matrix for the 34 areas.
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