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 | - | - |
| 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