Module Trend Analysis (Shapes)
- Author: O.Conrad (c) 2006
- Specification: grid
- Menu: Spatial and Geostatistics|Regression|Shapes
Parameters
| | Name | Type | Identifier | Description | Constraints |
|---|
| Input | Shapes | Shapes (input) | TABLE | - | - |
| Output | Table (with Trend) (*) | Table (optional output) | TREND | - | - |
| Options | X Values | Table field | FIELD_X | - | - |
| Y Values | Table field | FIELD_Y | - | - |
| Formula | Text | FORMULA | - | Default: m * x + b |
| Pre-defined Formulas | Choice | FORMULAS | - | Available Choices:
[0] Linear: a + b * x
[1] Quadric: a + b * x + c * x^2
[2] Cubic: a + b * x + c * x^2 + d * x^3
[3] Logarithmic: a + b * ln(x)
[4] Power: a + b * x^c
[5] a + b / x
[6] a + b * (1 - exp(-x / c))
[7] a + b * (1 - exp(-(x / c)^2))
Default: 0 |
| (*) optional |
Command-line
Usage: saga_cmd statistics_regression 11 -TABLE <str> [-FIELD_X <str>] [-FIELD_Y <str>] [-FORMULA <str>] [-FORMULAS <str>] [-TREND <str>]
-TABLE:<str> Shapes
Shapes (input)
-FIELD_X:<str> X Values
Table field
-FIELD_Y:<str> Y Values
Table field
-FORMULA:<str> Formula
Text
Default: m * x + b
-FORMULAS:<str> Pre-defined Formulas
Choice
Available Choices:
[0] Linear: a + b * x
[1] Quadric: a + b * x + c * x^2
[2] Cubic: a + b * x + c * x^2 + d * x^3
[3] Logarithmic: a + b * ln(x)
[4] Power: a + b * x^c
[5] a + b / x
[6] a + b * (1 - exp(-x / c))
[7] a + b * (1 - exp(-(x / c)^2))
Default: 0
-TREND:<str> Table (with Trend)
Table (optional output)