Tool Trend Analysis
Trend Analysis
- Author: O.Conrad (c) 2006
- Menu: Spatial and Geostatistics|Regression|Table
Parameters
| Name | Type | Identifier | Description | Constraints |
Input | Table | Table, input | TABLE | - | - |
Output | Table (with Trend) (*) | Table, output, optional | 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] a + b * x (linear) [1] a + b * x + c * x^2 (quadric) [2] a + b * x + c * x^2 + d * x^3 (cubic) [3] a + b * ln(x) (logarithmic) [4] a + b * x^c (power) [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 10 [-TABLE <str>] [-FIELD_X <str>] [-FIELD_Y <str>] [-FORMULA <str>] [-FORMULAS <str>] [-TREND <str>]
-TABLE:<str> Table
Table, 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] a + b * x (linear)
[1] a + b * x + c * x^2 (quadric)
[2] a + b * x + c * x^2 + d * x^3 (cubic)
[3] a + b * ln(x) (logarithmic)
[4] a + b * x^c (power)
[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, output, optional