momepy.simpson_diversity

momepy.simpson_diversity(data, bins=None, categorical=False, categories=None)

Calculates the Simpson’s diversity index of data. Helper function for momepy.Simpson.

\[\lambda=\sum_{i=1}^{R} p_{i}^{2}\]

Formula adapted from https://gist.github.com/martinjc/f227b447791df8c90568.

Parameters

dataGeoDataFrame

GeoDataFrame containing morphological tessellation

binsarray, optional

array of top edges of classification bins. Result of binnng.bins.

categoricalbool (default False)

treat values as categories (will not use bins)

categorieslist-like (default None)

list of categories

Returns

float

Simpson’s diversity index

See also

momepy.Simpson

Calculates the Simpson’s diversity index

momepy.shannon_diversity momepy.DistanceBand