Trend Analysis
- Author: O.Conrad (c) 2006
- Menu: Spatial and Geostatistics | Regression | Table
Description
Trend Analysis
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 | 
Command Line
Usage: saga_cmd statistics_regression 10 [-TABLE ] [-FIELD_X ] [-FIELD_Y ] [-FORMULA ] [-FORMULAS ] [-TREND ]
  -TABLE:   	Table
	table, input
  -FIELD_X: 	X Values
	table field
  -FIELD_Y: 	Y Values
	table field
  -FORMULA: 	Formula
	text
	Default: m * x + b
  -FORMULAS:	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:   	Table (with Trend)
	table, output, optional