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 | - | - |
| 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 | 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>] [-R <str>] [-R2 <str>] [-R2ADJ <str>] [-P <str>] [-STDERR <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
-R:<str> Regression Coefficient
Grid, output, optional
-R2:<str> Determination Coefficient
Grid, output, optional
-R2ADJ:<str> Adjusted Determination Coefficient
Grid, output, optional
-P:<str> Significance Level
Grid, output, optional
-STDERR:<str> Standard Error
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