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If it is set, then variable importance is computed by the training procedure. To retrieve the computed variable importance array, call the method CvRTrees::get_var_importance()

Declaration Syntax
public bool calcVarImportance
Public calcVarImportance As Boolean
public:
bool calcVarImportance
Assembly:
Emgu.CV.ML (Module: Emgu.CV.ML) Version: 1.0.0.0 (1.0.0.0)