Module Cluster Analysis for Grids

Cluster Analysis for grids.

References:

Iterative Minimum Distance:
- Forgy, E. (1965):
'Cluster Analysis of multivariate data: efficiency vs. interpretability of classifications',
Biometrics 21:768

Hill-Climbing:- Rubin, J. (1967):
'Optimal Classification into Groups: An Approach for Solving the Taxonomy Problem',
J. Theoretical Biology, 15:103-144

Author: O.Conrad (c) 2001
Specification: grid
Menu: Imagery|Classification

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Grids	Grid list (input)	`GRIDS`	-	-
Output	Clusters	Grid (output)	`CLUSTER`	-	-
Output	Statistics	Table (output)	`STATISTICS`	-	-
Options	Method	Choice	`METHOD`	-	Available Choices: [0] Iterative Minimum Distance (Forgy 1965) [1] Hill-Climbing (Rubin 1967) [2] Combined Minimum Distance / Hillclimbing Default: 1
	Clusters	Integer	`NCLUSTER`	Number of clusters	Minimum: 2 Default: 10
	Maximum Iterations	Integer	`MAXITER`	maximum number of iterations, ignored if set to zero (default)	Minimum: 0 Default: 0
	Normalise	Boolean	`NORMALISE`	Automatically normalise grids by standard deviation before clustering.	Default: 0
	Old Version	Boolean	`OLDVERSION`	slower but memory saving	Default: 0
	Update View	Boolean	`UPDATEVIEW`	-	Default: 1

Command-line

Usage: saga_cmd imagery_classification 1 [-GRIDS <str>] [-CLUSTER <str>] [-STATISTICS <str>] [-METHOD <str>] [-NCLUSTER <num>] [-MAXITER <num>] [-NORMALISE <str>] [-OLDVERSION <str>] [-UPDATEVIEW <str>]
  -GRIDS:<str>     	Grids
	Grid list (input)
  -CLUSTER:<str>   	Clusters
	Grid (output)
  -STATISTICS:<str>	Statistics
	Table (output)
  -METHOD:<str>    	Method
	Choice
	Available Choices:
	[0] Iterative Minimum Distance (Forgy 1965)
	[1] Hill-Climbing (Rubin 1967)
	[2] Combined Minimum Distance / Hillclimbing
	Default: 1
  -NCLUSTER:<num>  	Clusters
	Integer
	Minimum: 2
	Default: 10
  -MAXITER:<num>   	Maximum Iterations
	Integer
	Minimum: 0
	Default: 0
  -NORMALISE:<str> 	Normalise
	Boolean
	Default: 0
  -OLDVERSION:<str>	Old Version
	Boolean
	Default: 0
  -UPDATEVIEW:<str>	Update View
	Boolean
	Default: 1