SAGA-GIS Tool Library Documentation (v9.2.0)

Tool Regression Kriging

Regression Kriging for grid interpolation from irregular sample points.

Parameters

 NameTypeIdentifierDescriptionConstraints
InputPointsshapes, inputPOINTS--
Predictorsgrid list, inputPREDICTORS--
OutputRegressiongrid, outputREGRESSIONregression model applied to predictor grids-
Predictiongrid, outputPREDICTION--
Residuals (*)grid, output, optionalRESIDUALS--
Prediction Error (*)grid, output, optionalVARIANCE--
Regression: Coefficients (*)table, output, optionalINFO_COEFF--
Regression: Model (*)table, output, optionalINFO_MODEL--
Regression: Steps (*)table, output, optionalINFO_STEPS--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
Attributetable fieldFIELD--
Error MeasurechoiceTQUALITY-Available Choices:
[0] standard deviation
[1] variance
Default: 0
Include X CoordinatebooleanCOORD_X-Default: 0
Include Y CoordinatebooleanCOORD_Y-Default: 0
InterceptbooleanINTERCEPT-Default: 1
MethodchoiceMETHOD-Available Choices:
[0] include all
[1] forward
[2] backward
[3] stepwise
Default: 3
Significance Levelfloating point numberP_VALUESignificance level (aka p-value) as threshold for automated predictor selection, given as percentageMinimum: 0.000000
Maximum: 100.000000
Default: 5.000000
ResamplingchoiceRESAMPLING-Available Choices:
[0] Nearest Neighbour
[1] Bilinear Interpolation
[2] Bicubic Spline Interpolation
[3] B-Spline Interpolation
Default: 3
Maximum Distancefloating point number, CMDVAR_MAXDISTmaximum distance for variogram estimation, ignored if set to zeroMinimum: 0.000000
Default: 0.000000
Lag Distance Classesinteger number, CMDVAR_NCLASSESinitial number of lag distance classes for variogram estimationMinimum: 1
Default: 100
Skipinteger number, CMDVAR_NSKIP-Minimum: 1
Default: 1
Variogram Modeltext, CMDVAR_MODEL-Default: a + b * x
Kriging TypechoiceKRIGING-Available Choices:
[0] Simple Kriging
[1] Ordinary Kriging
Default: 0
Logarithmic TransformationbooleanLOG-Default: 0
Block KrigingbooleanBLOCK-Default: 0
Block Sizefloating point numberDBLOCK-Minimum: 0.000000
Default: 100.000000
Search RangechoiceSEARCH_RANGE-Available Choices:
[0] local
[1] global
Default: 1
Maximum Search Distancefloating point numberSEARCH_RADIUSlocal maximum search distance given in map unitsMinimum: 0.000000
Default: 1000.000000
Number of PointschoiceSEARCH_POINTS_ALL-Available Choices:
[0] maximum number of nearest points
[1] all points within search distance
Default: 1
Minimuminteger numberSEARCH_POINTS_MINminimum number of points to useMinimum: 1
Default: 16
Maximuminteger numberSEARCH_POINTS_MAXmaximum number of nearest pointsMinimum: 1
Default: 20
(*) optional

Command-line

Usage: saga_cmd statistics_kriging 3 [-POINTS <str>] [-FIELD <str>] [-PREDICTORS <str>] [-REGRESSION <str>] [-PREDICTION <str>] [-RESIDUALS <str>] [-VARIANCE <str>] [-TQUALITY <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>] [-LOG <str>] [-BLOCK <str>] [-DBLOCK <double>] [-SEARCH_RANGE <str>] [-SEARCH_RADIUS <double>] [-SEARCH_POINTS_ALL <str>] [-SEARCH_POINTS_MIN <num>] [-SEARCH_POINTS_MAX <num>]
  -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, output, optional
  -VARIANCE:<str>         	Prediction Error
	grid, output, optional
  -TQUALITY:<str>         	Error Measure
	choice
	Available Choices:
	[0] standard deviation
	[1] variance
	Default: 0
  -INFO_COEFF:<str>       	Regression: Coefficients
	table, output, optional
  -INFO_MODEL:<str>       	Regression: Model
	table, output, optional
  -INFO_STEPS:<str>       	Regression: Steps
	table, output, optional
  -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 number
	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 number, CMD
	Minimum: 0.000000
	Default: 0.000000
  -VAR_NCLASSES:<num>     	Lag Distance Classes
	integer number, CMD
	Minimum: 1
	Default: 100
  -VAR_NSKIP:<num>        	Skip
	integer number, CMD
	Minimum: 1
	Default: 1
  -VAR_MODEL:<str>        	Variogram Model
	text, CMD
	Default: a + b * x
  -KRIGING:<str>          	Kriging Type
	choice
	Available Choices:
	[0] Simple Kriging
	[1] Ordinary Kriging
	Default: 0
  -LOG:<str>              	Logarithmic Transformation
	boolean
	Default: 0
  -BLOCK:<str>            	Block Kriging
	boolean
	Default: 0
  -DBLOCK:<double>        	Block Size
	floating point number
	Minimum: 0.000000
	Default: 100.000000
  -SEARCH_RANGE:<str>     	Search Range
	choice
	Available Choices:
	[0] local
	[1] global
	Default: 1
  -SEARCH_RADIUS:<double> 	Maximum Search Distance
	floating point number
	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: 1
  -SEARCH_POINTS_MIN:<num>	Minimum
	integer number
	Minimum: 1
	Default: 16
  -SEARCH_POINTS_MAX:<num>	Maximum
	integer number
	Minimum: 1
	Default: 20