SAGA 9.4.2 | Tool Library Documentation

Rao's Q Diversity Index


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


Parameters

 NameTypeIdentifierDescriptionConstraints
InputValuesgrid list, inputVALUES--
OutputRao's Qgrid, outputINDEX--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
NormalizebooleanNORMALIZE-Default: 0
DistancechoiceDISTANCE-Available Choices: [0] Euclidian [1] Manhatten [2] Canberra [3] Minkowski Default: 0
Lambdafloating point numberLAMBDALambda for Minkowski distance calculation.Minimum: 0.000100 Default: 1.000000
Kernel TypechoiceKERNEL_TYPEThe kernel's shape.Available Choices: [0] Square [1] Circle Default: 1
Radiusinteger numberKERNEL_RADIUScellsMinimum: 0 Default: 2

Command Line


Usage: saga_cmd grid_analysis 25 [-VALUES ] [-NORMALIZE ] [-INDEX ] [-DISTANCE ] [-LAMBDA ] [-KERNEL_TYPE ] [-KERNEL_RADIUS ]
  -VALUES:       	Values
	grid list, input
  -NORMALIZE:    	Normalize
	boolean
	Default: 0
  -INDEX:        	Rao's Q
	grid, output
  -DISTANCE:     	Distance
	choice
	Available Choices:
	[0] Euclidian
	[1] Manhatten
	[2] Canberra
	[3] Minkowski
	Default: 0
  -LAMBDA:    	Lambda
	floating point number
	Minimum: 0.000100
	Default: 1.000000
  -KERNEL_TYPE:  	Kernel Type
	choice
	Available Choices:
	[0] Square
	[1] Circle
	Default: 1
  -KERNEL_RADIUS:	Radius
	integer number
	Minimum: 0
	Default: 2