SAGA 9.12.3 | Tool Documentation

Cluster Analysis (Table Fields)

Author(s) O. Conrad (c) 2010
Library IDtable_tools
Tool ID 28
Version 1.0
Menu Table | Classification
Shapes | Attributes

Description

K-Means cluster analysis using selected features from attributes table.

References

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

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

Parameters

 NameTypeIdentifierDescriptionConstraints
InputTabletable, inputINPUT--
OutputStatisticstable, outputSTATISTICS--
Resulttable, output, optionalRESULT_TABLE--
Resultshapes, output, optionalRESULT_SHAPES--
OptionsFeaturestable fieldsFIELDS--
NormalizebooleanNORMALISE-Default: 0
Clustertable fieldCLUSTERTarget field for cluster numbers. If not set a new field will be added-
MethodchoiceMETHOD-Available Choices: [0] Iterative Minimum Distance (Forgy 1965) [1] Hill-Climbing (Rubin 1967) [2] Combined Minimum Distance / Hillclimbing Default: 1
Number of Clustersinteger numberNCLUSTER-Minimum: 2 Default: 10

Command Line


Usage: saga_cmd table_tools 28 [-INPUT ] [-FIELDS ] [-NORMALISE ] [-CLUSTER ] [-STATISTICS ] [-METHOD ] [-NCLUSTER ] [-RESULT_TABLE ] [-RESULT_SHAPES ]
  -INPUT:           Table
	table, input
  -FIELDS:          Features
	table fields
  -NORMALISE:       Normalize
	boolean
	Default: 0
  -CLUSTER:         Cluster
	table field
  -STATISTICS:      Statistics
	table, output
  -METHOD:
                         Method
                         	choice
                         	Available Choices:
                         	[0] Iterative Minimum Distance (Forgy 1965)
                         	[1] Hill-Climbing (Rubin 1967)
                         	[2] Combined Minimum Distance / Hillclimbing
                         	Default: 1
  -NCLUSTER:        Number of Clusters
	integer number
	Minimum: 2
	Default: 10
  -RESULT_TABLE:    Result
	table, output, optional
  -RESULT_SHAPES:   Result
	shapes, output, optional