DocumentCode
2996695
Title
Applying Calculus of Variatious to Seek for the Best Impurity Function of Decision Tree
Author
Yongjun, Shen ; Shulan, Zhao ; Guanghui, Wang ; Na, Guo ; Hualong, Xu
Author_Institution
Sch. of Inf. Sci. & Eng., Lanzhou Univ., Lanzhou, China
fYear
2010
fDate
25-27 June 2010
Firstpage
3389
Lastpage
3390
Abstract
This study reveals the essence of the impurity function, and the constraints of constructing impurity function is presented. Strategy discussed in this paper makes the method of choosing impurity function become an simple, precise comparison operation from qualitative artificial analysis.
Keywords
calculus; decision trees; functions; calculus; decision tree; impurity function; precise comparison operation; qualitative artificial analysis; Calculus; Classification algorithms; Decision trees; Educational institutions; Impurities; Information entropy; Information science; Gini index; calculus of variations; decision tree entropy; impurity;
fLanguage
English
Publisher
ieee
Conference_Titel
Electrical and Control Engineering (ICECE), 2010 International Conference on
Conference_Location
Wuhan
Print_ISBN
978-1-4244-6880-5
Type
conf
DOI
10.1109/iCECE.2010.827
Filename
5630704
Link To Document