Module Polynomial Trend from Grids

Fits for each cell a polynomial trend function. Outputs are the polynomial coefficients for the polynomial trend function of chosen order.

Author: O. Conrad (c) 2011
Specification: grid
Menu: Spatial and Geostatistics|Regression

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Dependent Variables	Grid list (input)	`Y_GRIDS`	-	-
Input	Independent Variable (per Grid and Cell) (*)	Grid list (optional input)	`X_GRIDS`	-	-
Output	Polynomial Coefficients	Grid list (output)	`COEFF`	-	-
Output	Coefficient of Determination (*)	Grid (optional output)	`R2`	-	-
Options	Polynomial Order	Integer	`ORDER`	-	Minimum: 1 Default: 1
	Get Independent Variable from ...	Choice	`XSOURCE`	-	Available Choices: [0] list order [1] table [2] grid list Default: 0
	Independent Variable (per Grid)	Static table	`X_TABLE`	-	1 Fields: - 1. [8 byte floating point number] Value
(*) optional

Command-line

Usage: saga_cmd statistics_regression 9 -Y_GRIDS <str> [-COEFF <str>] [-R2 <str>] [-ORDER <num>] [-XSOURCE <str>] [-X_TABLE <str>] [-X_GRIDS <str>]
  -Y_GRIDS:<str>	Dependent Variables
	Grid list (input)
  -COEFF:<str>  	Polynomial Coefficients
	Grid list (output)
  -R2:<str>     	Coefficient of Determination
	Grid (optional output)
  -ORDER:<num>  	Polynomial Order
	Integer
	Minimum: 1
	Default: 1
  -XSOURCE:<str>	Get Independent Variable from ...
	Choice
	Available Choices:
	[0] list order
	[1] table
	[2] grid list
	Default: 0
  -X_TABLE:<str>	Independent Variable (per Grid)
	Static table
	1 Fields:
	- 1. [8 byte floating point number] Value
	
  -X_GRIDS:<str>	Independent Variable (per Grid and Cell)
	Grid list (optional input)