Natural Breaks |
Quantiles |
Explanation of differences
Between the two data classification schemes, there is a difference
in the choroplethic qualities found in the maps. In both maps, the
concentration of higher value classes spreads out radially from one region of
the country. But in the map that uses quantiles to classify its data, the
standard distance as a measure of spatial variability is less than the map that
uses natural breaks. The natural breaks map has a smoother transition from high
value classes to low value classes.
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