SAGA-GIS Tool Library Documentation (v8.4.1)

Tool Random Forest Presence Prediction (ViGrA)

Random Forest Presence Prediction


References


Parameters

 NameTypeIdentifierDescriptionConstraints
InputFeaturesGrid list, inputFEATURES--
Presence DataShapes, inputPRESENCE--
OutputPresence PredictionGrid, outputPREDICTION--
Presence Probability (*)Grid, output, optionalPROBABILITY--
OptionsGrid SystemGrid systemPARAMETERS_GRID_SYSTEM--
Background Sample Density [Percent]Floating pointBACKGROUND-Minimum: 0.000000
Maximum: 100.000000
Default: 1.000000
Tree CountIntegerRF_TREE_COUNTHow many trees to create?Minimum: 1
Default: 32
Samples per TreeFloating pointRF_TREE_SAMPLESSpecifies the fraction of the total number of samples used per tree for learning.Minimum: 0.000000
Maximum: 1.000000
Default: 1.000000
Sample with ReplacementBooleanRF_REPLACESample from training population with or without replacement?Default: 1
Minimum Node Split SizeIntegerRF_SPLIT_MIN_SIZENumber of examples required for a node to be split. Choose 1 for complete growing.Minimum: 1
Default: 1
Features per NodeChoiceRF_NODE_FEATURES-Available Choices:
[0] logarithmic
[1] square root
[2] all
Default: 1
StratificationChoiceRF_STRATIFICATIONSpecifies stratification strategy. Either none, equal amount of class samples, or proportional to fraction of class samples.Available Choices:
[0] none
[1] equal
[2] proportional
Default: 0
(*) optional

Command-line

Usage: saga_cmd imagery_vigra 10 [-FEATURES <str>] [-PREDICTION <str>] [-PROBABILITY <str>] [-PRESENCE <str>] [-BACKGROUND <double>] [-RF_TREE_COUNT <num>] [-RF_TREE_SAMPLES <double>] [-RF_REPLACE <str>] [-RF_SPLIT_MIN_SIZE <num>] [-RF_NODE_FEATURES <str>] [-RF_STRATIFICATION <str>]
  -FEATURES:<str>          	Features
	Grid list, input
  -PREDICTION:<str>        	Presence Prediction
	Grid, output
  -PROBABILITY:<str>       	Presence Probability
	Grid, output, optional
  -PRESENCE:<str>          	Presence Data
	Shapes, input
  -BACKGROUND:<double>     	Background Sample Density [Percent]
	Floating point
	Minimum: 0.000000
	Maximum: 100.000000
	Default: 1.000000
  -RF_TREE_COUNT:<num>     	Tree Count
	Integer
	Minimum: 1
	Default: 32
  -RF_TREE_SAMPLES:<double>	Samples per Tree
	Floating point
	Minimum: 0.000000
	Maximum: 1.000000
	Default: 1.000000
  -RF_REPLACE:<str>        	Sample with Replacement
	Boolean
	Default: 1
  -RF_SPLIT_MIN_SIZE:<num> 	Minimum Node Split Size
	Integer
	Minimum: 1
	Default: 1
  -RF_NODE_FEATURES:<str>  	Features per Node
	Choice
	Available Choices:
	[0] logarithmic
	[1] square root
	[2] all
	Default: 1
  -RF_STRATIFICATION:<str> 	Stratification
	Choice
	Available Choices:
	[0] none
	[1] equal
	[2] proportional
	Default: 0