Cellwise Trend for Grids

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

Description

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

Parameters

	Name	Type	Identifier	Description	Constraints
Input	Dependent Variables	grid list, input	`Y_GRIDS`	-	-
Input	Independent Variable (per Grid and Cell)	grid list, input, optional	`X_GRIDS`	-	-
Output	Polynomial Coefficients	grid list, output	`COEFF`	-	-
	Regression Coefficient	grid, output, optional	`R`	-	-
	Determination Coefficient	grid, output, optional	`R2`	-	-
	Adjusted Determination Coefficient	grid, output, optional	`R2ADJ`	-	-
	Significance Level	grid, output, optional	`P`	-	-
	Standard Error	grid, output, optional	`STDERR`	-	-
Options	Grid System	grid system	`PARAMETERS_GRID_SYSTEM`	-	-
	Linear Trend	boolean	`LINEAR`	-	Default: 1
	Polynomial Order	integer number	`ORDER`	Order of the polynomial trend function.	Minimum: 1 Default: 2
	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

Command Line


Usage: saga_cmd statistics_regression 9 [-Y_GRIDS ] [-COEFF ] [-R ] [-R2 ] [-R2ADJ ] [-P ] [-STDERR ] [-LINEAR ] [-ORDER ] [-XSOURCE ] [-X_TABLE ] [-X_GRIDS ]
  -Y_GRIDS:   Dependent Variables
	grid list, input
  -COEFF:     Polynomial Coefficients
	grid list, output
  -R:         Regression Coefficient
	grid, output, optional
  -R2:        Determination Coefficient
	grid, output, optional
  -R2ADJ:     Adjusted Determination Coefficient
	grid, output, optional
  -P:         Significance Level
	grid, output, optional
  -STDERR:    Standard Error
	grid, output, optional
  -LINEAR:    Linear Trend
	boolean
	Default: 1
  -ORDER:     Polynomial Order
	integer number
	Minimum: 1
	Default: 2
  -XSOURCE:
                   Get Independent Variable from ...
                   	choice
                   	Available Choices:
                   	[0] list order
                   	[1] table
                   	[2] grid list
                   	Default: 0
  -X_TABLE:   Independent Variable (per Grid)
	static table
	1 Fields:
	- 1. [8 byte floating point number] Value
	
  -X_GRIDS:   Independent Variable (per Grid and Cell)
	grid list, input, optional