Tool Cellwise Trend for 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
- Menu: Spatial and Geostatistics|Regression
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 | - | - |
| Determination Coefficient (*) | Grid, output, optional | R2 | - | - | |
| Adjusted Determination Coefficient (*) | Grid, output, optional | R2ADJ | - | - | |
| Standard Error (*) | Grid, output, optional | STDERR | - | - | |
| Significance Level (*) | Grid, output, optional | P | - | - | |
| Options | Grid System | Grid system | PARAMETERS_GRID_SYSTEM | - | - |
| Linear Trend | Boolean | LINEAR | - | Default: 1 | |
| Polynomial Order | Integer | 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 | |
| (*) optional | |||||
Command-line
Usage: saga_cmd statistics_regression 9 [-Y_GRIDS <str>] [-COEFF <str>] [-R2 <str>] [-R2ADJ <str>] [-STDERR <str>] [-P <str>] [-LINEAR <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> Determination Coefficient Grid, output, optional -R2ADJ:<str> Adjusted Determination Coefficient Grid, output, optional -STDERR:<str> Standard Error Grid, output, optional -P:<str> Significance Level Grid, output, optional -LINEAR:<str> Linear Trend Boolean Default: 1 -ORDER:<num> Polynomial Order Integer Minimum: 1 Default: 2 -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, input, optional