Tool Name	Rao's Q Diversity Index (Classic)
Tool ID	24
Library ID	grid_analysis
Version	1.0
Author(s)	O.Conrad (c) 2019

Description

Grid based analysis of diversity with Rao's Q Index. Rao's Q diversity index is calculated locally for each grid cell using the specified kernel (aka 'moving window'). It is assumed that the grid cell values represent quantities.

References

Rocchini, D., Marcantonio, M., Ricotta, C. (2017): Measuring Rao's Q diversity index from remote sensing: An open source solution. Ecological Indicators, Volume 72, p. 234-238. doi:10.1016/j.ecolind.2016.07.039.

Parameters

Name	Type	Identifier	Description	Constraints
Input
Values	grid, input	VALUES
Output
Number of Categories	grid, output, optional	COUNT	number of different categories (unique values) within search area
Rao's Q	grid, output	INDEX
Options
Kernel Type	choice	KERNEL_TYPE	The kernel's shape.	Available Choices: [0] Square [1] Circle Default: 1
Radius	integer number	KERNEL_RADIUS	cells	Minimum: 0 Default: 2