Principal Component Analysis

Author(s)	O.Conrad (c) 2010
Library ID	table_calculus
Tool ID	7
Version	1.0
Menu	Table \| Calculus

Description

Principal Component Analysis (PCA) for tables.

References

C-code by F.Murtagh

StatLib Web Site

Bahrenberg, G., Giese, E., Nipper, J. (1992): Statistische Methoden in der Geographie 2 - Multivariate Statistik. pp.198-277.

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Table	table, input	`TABLE`	-	-
Output	Principal Components	table, output, optional	`PCA`	-	-
Options	Method	choice	`METHOD`	-	Available Choices: [0] correlation matrix [1] variance-covariance matrix [2] sums-of-squares-and-cross-products matrix Default: 1
Options	Number of Components	integer number	`NFIRST`	maximum number of calculated first components; set to zero to get all	Minimum: 0 Default: 3

Command Line


Usage: saga_cmd table_calculus 7 [-TABLE ] [-PCA ] [-METHOD ] [-NFIRST ]
  -TABLE:    Table
	table, input
  -PCA:      Principal Components
	table, output, optional
  -METHOD:
                  Method
                  	choice
                  	Available Choices:
                  	[0] correlation matrix
                  	[1] variance-covariance matrix
                  	[2] sums-of-squares-and-cross-products matrix
                  	Default: 1
  -NFIRST:   Number of Components
	integer number
	Minimum: 0
	Default: 3