question: @ Override public String toString ( ) { assignLeafModelNumbers ( 0 ) ; try { StringBuffer text = new StringBuffer ( ) ; if ( m_isLeaf ) { text . append ( ": " ) ; text . append ( "LM_" + m_leafModelNum + ":" + getModelParameters ( ) ) ; } else { dumpTree ( 0 , text ) ; } text . append ( "\n\nNumber of Leaves  : \t" + numLeaves ( ) + "\n" ) ; text . append ( "\nSize of the Tree : \t" + numNodes ( ) + "\n" ) ; text . append ( modelsToString ( ) ) ; return text . toString ( ) ; } catch ( Exception e ) { return "Can't print logistic model tree" ; } }
target:  Returns a description of the logistic model tree (tree structure and logistic models)