mirror of
https://github.com/qgis/QGIS.git
synced 2025-03-15 00:04:37 -04:00
50 lines
954 B
ReStructuredText
50 lines
954 B
ReStructuredText
|
REGRESSION ANALYSIS
|
||
|
===================
|
||
|
|
||
|
Description
|
||
|
-----------
|
||
|
|
||
|
Parameters
|
||
|
----------
|
||
|
|
||
|
- ``Grid[Raster]``:
|
||
|
- ``Shapes[Vector]``:
|
||
|
- ``Attribute[TableField]``:
|
||
|
- ``Grid Interpolation[Selection]``:
|
||
|
- ``Regression Function[Selection]``:
|
||
|
|
||
|
Outputs
|
||
|
-------
|
||
|
|
||
|
- ``Regression[Raster]``:
|
||
|
- ``Residuals[Vector]``:
|
||
|
|
||
|
See also
|
||
|
---------
|
||
|
|
||
|
|
||
|
Console usage
|
||
|
-------------
|
||
|
|
||
|
|
||
|
::
|
||
|
|
||
|
sextante.runalg('saga:regressionanalysispointsgrid', grid, shapes, attribute, interpol, method, regression, residual)
|
||
|
|
||
|
Available options for selection parameters:
|
||
|
|
||
|
interpol(Grid Interpolation)
|
||
|
0 - [0] Nearest Neighbor
|
||
|
1 - [1] Bilinear Interpolation
|
||
|
2 - [2] Inverse Distance Interpolation
|
||
|
3 - [3] Bicubic Spline Interpolation
|
||
|
4 - [4] B-Spline Interpolation
|
||
|
|
||
|
method(Regression Function)
|
||
|
0 - [0] Y = a + b * X (linear)
|
||
|
1 - [1] Y = a + b / X
|
||
|
2 - [2] Y = a / (b - X)
|
||
|
3 - [3] Y = a * X^b (power)
|
||
|
4 - [4] Y = a e^(b * X) (exponential)
|
||
|
5 - [5] Y = a + b * ln(X) (logarithmic)
|