SAGA-GIS Module Library Documentation (v2.1.3)

Module Polynomial Regression

Reference:
- Lloyd, C. (2010): Spatial Data Analysis - An Introduction for GIS Users. Oxford, 206p.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputPointsShapes (input)POINTS--
OutputResiduals (*)Shapes (optional output)RESIDUALS--
OptionsAttributeTable fieldATTRIBUTE--
PolynomChoicePOLYNOM-Available Choices:
[0] simple planar surface
[1] bi-linear saddle
[2] quadratic surface
[3] cubic surface
[4] user defined
Default: 0
Maximum X OrderIntegerXORDER-Minimum: 1
Default: 4
Maximum Y OrderIntegerYORDER-Minimum: 1
Default: 4
Maximum Total OrderIntegerTORDER-Minimum: 0
Default: 4
(*) optional

Command-line

Usage: saga_cmd statistics_regression 2 -POINTS <str> [-ATTRIBUTE <str>] [-RESIDUALS <str>] [-POLYNOM <str>] [-XORDER <num>] [-YORDER <num>] [-TORDER <num>] [-TARGET_DEFINITION <str>] [-TARGET_USER_XMIN <str>] [-TARGET_USER_XMAX <str>] [-TARGET_USER_YMIN <str>] [-TARGET_USER_YMAX <str>] [-TARGET_USER_SIZE <str>] [-TARGET_USER_FITS <str>] [-TARGET_TEMPLATE <str>] [-TARGET_OUT_GRID <str>]
  -POINTS:<str>           	Points
	Shapes (input)
  -ATTRIBUTE:<str>        	Attribute
	Table field
  -RESIDUALS:<str>        	Residuals
	Shapes (optional output)
  -POLYNOM:<str>          	Polynom
	Choice
	Available Choices:
	[0] simple planar surface
	[1] bi-linear saddle
	[2] quadratic surface
	[3] cubic surface
	[4] user defined
	Default: 0
  -XORDER:<num>           	Maximum X Order
	Integer
	Minimum: 1
	Default: 4
  -YORDER:<num>           	Maximum Y Order
	Integer
	Minimum: 1
	Default: 4
  -TORDER:<num>           	Maximum Total Order
	Integer
	Minimum: 0
	Default: 4
  -TARGET_DEFINITION:<str>	Target Grid System
	Choice
	Available Choices:
	[0] user defined
	[1] grid or grid system
	Default: 0
  -TARGET_USER_XMIN:<str> 	Left
	Floating point
	Default: 0.000000
  -TARGET_USER_XMAX:<str> 	Right
	Floating point
	Default: 100.000000
  -TARGET_USER_YMIN:<str> 	Bottom
	Floating point
	Default: 0.000000
  -TARGET_USER_YMAX:<str> 	Top
	Floating point
	Default: 100.000000
  -TARGET_USER_SIZE:<str> 	Cellsize
	Floating point
	Minimum: 0.000000
	Default: 1.000000
  -TARGET_USER_FITS:<str> 	Fit
	Choice
	Available Choices:
	[0] nodes
	[1] cells
	Default: 0
  -TARGET_TEMPLATE:<str>  	Target System
	Grid (optional input)
  -TARGET_OUT_GRID:<str>  	Target Grid
	Grid (output)