SAGA 9.6.1 | Tool Library Documentation

Regression Kriging


Description

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--
Residualsgrid, output, optionalRESIDUALS--
Prediction Errorgrid, output, optionalVARIANCE--
Regression: Coefficientstable, output, optionalINFO_COEFF--
Regression: Modeltable, output, optionalINFO_MODEL--
Regression: Stepstable, 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 numberVAR_MAXDISTmaximum distance for variogram estimation, ignored if set to zeroMinimum: 0.000000 Default: 0.000000
Lag Distance Classesinteger numberVAR_NCLASSESinitial number of lag distance classes for variogram estimationMinimum: 1 Default: 100
Skipinteger numberVAR_NSKIP-Minimum: 1 Default: 1
Variogram ModeltextVAR_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

Command Line


Usage: saga_cmd statistics_kriging 3 [-POINTS ] [-FIELD ] [-PREDICTORS ] [-REGRESSION ] [-PREDICTION ] [-RESIDUALS ] [-VARIANCE ] [-TQUALITY ] [-INFO_COEFF ] [-INFO_MODEL ] [-INFO_STEPS ] [-COORD_X ] [-COORD_Y ] [-INTERCEPT ] [-METHOD ] [-P_VALUE ] [-RESAMPLING ] [-VAR_MAXDIST ] [-VAR_NCLASSES ] [-VAR_NSKIP ] [-VAR_MODEL ] [-KRIGING ] [-LOG ] [-BLOCK ] [-DBLOCK ] [-SEARCH_RANGE ] [-SEARCH_RADIUS ] [-SEARCH_POINTS_ALL ] [-SEARCH_POINTS_MIN ] [-SEARCH_POINTS_MAX ]
  -POINTS:           	Points
	shapes, input
  -FIELD:            	Attribute
	table field
  -PREDICTORS:       	Predictors
	grid list, input
  -REGRESSION:       	Regression
	grid, output
  -PREDICTION:       	Prediction
	grid, output
  -RESIDUALS:        	Residuals
	grid, output, optional
  -VARIANCE:         	Prediction Error
	grid, output, optional
  -TQUALITY:         	Error Measure
	choice
	Available Choices:
	[0] standard deviation
	[1] variance
	Default: 0
  -INFO_COEFF:       	Regression: Coefficients
	table, output, optional
  -INFO_MODEL:       	Regression: Model
	table, output, optional
  -INFO_STEPS:       	Regression: Steps
	table, output, optional
  -COORD_X:          	Include X Coordinate
	boolean
	Default: 0
  -COORD_Y:          	Include Y Coordinate
	boolean
	Default: 0
  -INTERCEPT:        	Intercept
	boolean
	Default: 1
  -METHOD:           	Method
	choice
	Available Choices:
	[0] include all
	[1] forward
	[2] backward
	[3] stepwise
	Default: 3
  -P_VALUE:       	Significance Level
	floating point number
	Minimum: 0.000000
	Maximum: 100.000000
	Default: 5.000000
  -RESAMPLING:       	Resampling
	choice
	Available Choices:
	[0] Nearest Neighbour
	[1] Bilinear Interpolation
	[2] Bicubic Spline Interpolation
	[3] B-Spline Interpolation
	Default: 3
  -VAR_MAXDIST:   	Maximum Distance
	floating point number
	Minimum: 0.000000
	Default: 0.000000
  -VAR_NCLASSES:     	Lag Distance Classes
	integer number
	Minimum: 1
	Default: 100
  -VAR_NSKIP:        	Skip
	integer number
	Minimum: 1
	Default: 1
  -VAR_MODEL:        	Variogram Model
	text
	Default: a + b * x
  -KRIGING:          	Kriging Type
	choice
	Available Choices:
	[0] Simple Kriging
	[1] Ordinary Kriging
	Default: 0
  -LOG:              	Logarithmic Transformation
	boolean
	Default: 0
  -BLOCK:            	Block Kriging
	boolean
	Default: 0
  -DBLOCK:        	Block Size
	floating point number
	Minimum: 0.000000
	Default: 100.000000
  -SEARCH_RANGE:     	Search Range
	choice
	Available Choices:
	[0] local
	[1] global
	Default: 1
  -SEARCH_RADIUS: 	Maximum Search Distance
	floating point number
	Minimum: 0.000000
	Default: 1000.000000
  -SEARCH_POINTS_ALL:	Number of Points
	choice
	Available Choices:
	[0] maximum number of nearest points
	[1] all points within search distance
	Default: 1
  -SEARCH_POINTS_MIN:	Minimum
	integer number
	Minimum: 1
	Default: 16
  -SEARCH_POINTS_MAX:	Maximum
	integer number
	Minimum: 1
	Default: 20