Tool Regression Kriging
Regression Kriging for grid interpolation from irregular sample points.
- Author: O.Conrad (c) 2015
- Menu: Spatial and Geostatistics|Kriging
Parameters
Name | Type | Identifier | Description | Constraints | |
---|---|---|---|---|---|
Input | Points | Shapes (input) | POINTS | - | - |
Predictors | Grid list (input) | PREDICTORS | - | - | |
Output | Regression | Grid (output) | REGRESSION | regression model applied to predictor grids | - |
Prediction | Grid (output) | PREDICTION | - | - | |
Residuals (*) | Grid (optional output) | RESIDUALS | - | - | |
Quality Measure (*) | Grid (optional output) | VARIANCE | - | - | |
Regression: Coefficients (*) | Table (optional output) | INFO_COEFF | - | - | |
Regression: Model (*) | Table (optional output) | INFO_MODEL | - | - | |
Regression: Steps (*) | Table (optional output) | INFO_STEPS | - | - | |
Options | Grid system | Grid system | PARAMETERS_GRID_SYSTEM | - | - |
Attribute | Table field | FIELD | - | - | |
Include X Coordinate | Boolean | COORD_X | - | Default: 0 | |
Include Y Coordinate | Boolean | COORD_Y | - | Default: 0 | |
Intercept | Boolean | INTERCEPT | - | Default: 1 | |
Method | Choice | METHOD | - | Available Choices: [0] include all [1] forward [2] backward [3] stepwise Default: 3 | |
Significance Level | Floating point | P_VALUE | Significance level (aka p-value) as threshold for automated predictor selection, given as percentage | Minimum: 0.000000 Maximum: 100.000000 Default: 5.000000 | |
Resampling | Choice | RESAMPLING | - | Available Choices: [0] Nearest Neighbour [1] Bilinear Interpolation [2] Bicubic Spline Interpolation [3] B-Spline Interpolation Default: 3 | |
Maximum Distance | Floating point | VAR_MAXDIST | maximum distance for variogram estimation, ignored if set to zero | Minimum: 0.000000 Default: 0.000000 | |
Lag Distance Classes | Integer | VAR_NCLASSES | initial number of lag distance classes for variogram estimation | Minimum: 1 Default: 100 | |
Skip | Integer | VAR_NSKIP | - | Minimum: 1 Default: 1 | |
Variogram Model | Text | VAR_MODEL | - | Default: a + b * x | |
Kriging Type | Choice | KRIGING | - | Available Choices: [0] Simple Kriging [1] Ordinary Kriging Default: 0 | |
Type of Quality Measure | Choice | TQUALITY | - | Available Choices: [0] standard deviation [1] variance Default: 0 | |
Logarithmic Transformation | Boolean | LOG | - | Default: 0 | |
Block Kriging | Boolean | BLOCK | - | Default: 0 | |
Block Size | Floating point | DBLOCK | - | Minimum: 0.000000 Default: 100.000000 | |
Search Range | Choice | SEARCH_RANGE | - | Available Choices: [0] local [1] global Default: 0 | |
Maximum Search Distance | Floating point | SEARCH_RADIUS | local maximum search distance given in map units | Minimum: 0.000000 Default: 1000.000000 | |
Number of Points | Choice | SEARCH_POINTS_ALL | - | Available Choices: [0] maximum number of nearest points [1] all points within search distance Default: 0 | |
Minimum | Integer | SEARCH_POINTS_MIN | minimum number of points to use | Minimum: 1 Default: 16 | |
Maximum | Integer | SEARCH_POINTS_MAX | maximum number of nearest points | Minimum: 1 Default: 20 | |
Direction | Choice | SEARCH_DIRECTION | - | Available Choices: [0] all directions [1] quadrants Default: 0 | |
(*) optional |
Command-line
Usage: saga_cmd statistics_kriging 3 [-POINTS <str>] [-FIELD <str>] [-PREDICTORS <str>] [-REGRESSION <str>] [-PREDICTION <str>] [-RESIDUALS <str>] [-VARIANCE <str>] [-INFO_COEFF <str>] [-INFO_MODEL <str>] [-INFO_STEPS <str>] [-COORD_X <str>] [-COORD_Y <str>] [-INTERCEPT <str>] [-METHOD <str>] [-P_VALUE <double>] [-RESAMPLING <str>] [-VAR_MAXDIST <double>] [-VAR_NCLASSES <num>] [-VAR_NSKIP <num>] [-VAR_MODEL <str>] [-KRIGING <str>] [-TQUALITY <str>] [-LOG <str>] [-BLOCK <str>] [-DBLOCK <double>] [-SEARCH_RANGE <str>] [-SEARCH_RADIUS <double>] [-SEARCH_POINTS_ALL <str>] [-SEARCH_POINTS_MIN <num>] [-SEARCH_POINTS_MAX <num>] [-SEARCH_DIRECTION <str>] -POINTS:<str> Points Shapes (input) -FIELD:<str> Attribute Table field -PREDICTORS:<str> Predictors Grid list (input) -REGRESSION:<str> Regression Grid (output) -PREDICTION:<str> Prediction Grid (output) -RESIDUALS:<str> Residuals Grid (optional output) -VARIANCE:<str> Quality Measure Grid (optional output) -INFO_COEFF:<str> Regression: Coefficients Table (optional output) -INFO_MODEL:<str> Regression: Model Table (optional output) -INFO_STEPS:<str> Regression: Steps Table (optional output) -COORD_X:<str> Include X Coordinate Boolean Default: 0 -COORD_Y:<str> Include Y Coordinate Boolean Default: 0 -INTERCEPT:<str> Intercept Boolean Default: 1 -METHOD:<str> Method Choice Available Choices: [0] include all [1] forward [2] backward [3] stepwise Default: 3 -P_VALUE:<double> Significance Level Floating point Minimum: 0.000000 Maximum: 100.000000 Default: 5.000000 -RESAMPLING:<str> Resampling Choice Available Choices: [0] Nearest Neighbour [1] Bilinear Interpolation [2] Bicubic Spline Interpolation [3] B-Spline Interpolation Default: 3 -VAR_MAXDIST:<double> Maximum Distance Floating point Minimum: 0.000000 Default: 0.000000 -VAR_NCLASSES:<num> Lag Distance Classes Integer Minimum: 1 Default: 100 -VAR_NSKIP:<num> Skip Integer Minimum: 1 Default: 1 -VAR_MODEL:<str> Variogram Model Text Default: a + b * x -KRIGING:<str> Kriging Type Choice Available Choices: [0] Simple Kriging [1] Ordinary Kriging Default: 0 -TQUALITY:<str> Type of Quality Measure Choice Available Choices: [0] standard deviation [1] variance Default: 0 -LOG:<str> Logarithmic Transformation Boolean Default: 0 -BLOCK:<str> Block Kriging Boolean Default: 0 -DBLOCK:<double> Block Size Floating point Minimum: 0.000000 Default: 100.000000 -SEARCH_RANGE:<str> Search Range Choice Available Choices: [0] local [1] global Default: 0 -SEARCH_RADIUS:<double> Maximum Search Distance Floating point Minimum: 0.000000 Default: 1000.000000 -SEARCH_POINTS_ALL:<str> Number of Points Choice Available Choices: [0] maximum number of nearest points [1] all points within search distance Default: 0 -SEARCH_POINTS_MIN:<num> Minimum Integer Minimum: 1 Default: 16 -SEARCH_POINTS_MAX:<num> Maximum Integer Minimum: 1 Default: 20 -SEARCH_DIRECTION:<str> Direction Choice Available Choices: [0] all directions [1] quadrants Default: 0