SAGA 9.13.0 | Tool Documentation

Presence Prediction (Random Forest (ViGrA))

Author(s) O.Conrad (c) 2015
Library IDimagery_vigra
Tool ID 10
Version 1.0
Menu Grid | Analysis | Macroecology

Description

Random Forest Presence Prediction

References

ViGrA - Vision with Generic Algorithms

Parameters

 NameTypeIdentifierDescriptionConstraints
InputFeaturesgrid list, inputFEATURES--
Presence Datashapes, inputPRESENCE--
OutputPresence Probabilitygrid, outputPROBABILITY--
Presence Predictiongrid, output, optionalPREDICTION--
Feature Importancestable, output, optionalIMPORTANCES--
OptionsGrid Systemgrid systemPARAMETERS_GRID_SYSTEM--
Background Sample Densityfloating point numberBACKGROUNDBackground sample density as percentage of the total number of cells.Minimum: 0.000000 Maximum: 100.000000 Default: 1.000000
Load Modelfile pathRF_IMPORT--
Save Modelfile pathRF_EXPORT--
Tree Countinteger numberRF_TREE_COUNTHow many trees to create?Minimum: 1 Default: 32
Samples per Treefloating point numberRF_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 Sizeinteger numberRF_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

Command Line


Usage: saga_cmd imagery_vigra 10 [-FEATURES ] [-PRESENCE ] [-PROBABILITY ] [-PREDICTION ] [-IMPORTANCES ] [-BACKGROUND ] [-RF_IMPORT ] [-RF_EXPORT ] [-RF_TREE_COUNT ] [-RF_TREE_SAMPLES ] [-RF_REPLACE ] [-RF_SPLIT_MIN_SIZE ] [-RF_NODE_FEATURES ] [-RF_STRATIFICATION ]
  -FEATURES:             Features
	grid list, input
  -PRESENCE:             Presence Data
	shapes, input
  -PROBABILITY:          Presence Probability
	grid, output
  -PREDICTION:           Presence Prediction
	grid, output, optional
  -IMPORTANCES:          Feature Importances
	table, output, optional
  -BACKGROUND:        Background Sample Density
	floating point number
	Minimum: 0.000000
	Maximum: 100.000000
	Default: 1.000000
  -RF_IMPORT:            Load Model
	file path
  -RF_EXPORT:            Save Model
	file path
  -RF_TREE_COUNT:        Tree Count
	integer number
	Minimum: 1
	Default: 32
  -RF_TREE_SAMPLES:   Samples per Tree
	floating point number
	Minimum: 0.000000
	Maximum: 1.000000
	Default: 1.000000
  -RF_REPLACE:           Sample with Replacement
	boolean
	Default: 1
  -RF_SPLIT_MIN_SIZE:    Minimum Node Split Size
	integer number
	Minimum: 1
	Default: 1
  -RF_NODE_FEATURES:     Features per Node
	choice
	Available Choices:
	[0] logarithmic
	[1] square root
	[2] all
	Default: 1
  -RF_STRATIFICATION:    Stratification
	choice
	Available Choices:
	[0] none
	[1] equal
	[2] proportional
	Default: 0