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