Module Polynomial Regression
Reference:
 - Lloyd, C. (2010): Spatial Data Analysis - An Introduction for GIS Users. Oxford, 206p.
- Author: O.Conrad (c) 2010
 
- Specification: grid
 
- Menu: Spatial and Geostatistics|Regression
 
Parameters
|   | Name | Type | Identifier | Description | Constraints | 
| Input | Points | Shapes (input) | POINTS | - | - | 
 | Target System (*) | Grid (optional input) | TARGET_TEMPLATE | use this grid's system for output grids | - | 
| Output | Residuals (*) | Shapes (optional output) | RESIDUALS | - | - | 
 | Target Grid | Grid (output) | TARGET_OUT_GRID | - | - | 
| Options | Attribute | Table field | ATTRIBUTE | - | - | 
 | Polynom | Choice | POLYNOM | - | Available Choices: [0] simple planar surface [1] bi-linear saddle [2] quadratic surface [3] cubic surface [4] user defined Default: 0 | 
 | Maximum X Order | Integer | XORDER | - | Minimum: 1 Default: 4 | 
 | Maximum Y Order | Integer | YORDER | - | Minimum: 1 Default: 4 | 
 | Maximum Total Order | Integer | TORDER | - | Minimum: 0 Default: 4 | 
 | Target Grid System | Choice | TARGET_DEFINITION | - | Available Choices: [0] user defined [1] grid or grid system Default: 0 | 
 | Left | Floating point | TARGET_USER_XMIN | - | Default: 0.000000 | 
 | Right | Floating point | TARGET_USER_XMAX | - | Default: 100.000000 | 
 | Bottom | Floating point | TARGET_USER_YMIN | - | Default: 0.000000 | 
 | Top | Floating point | TARGET_USER_YMAX | - | Default: 100.000000 | 
 | Cellsize | Floating point | TARGET_USER_SIZE | - | Minimum: 0.000000 Default: 1.000000 | 
 | Fit | Choice | TARGET_USER_FITS | - | Available Choices: [0] nodes [1] cells Default: 0 | 
| (*) 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)