2015年10月5日
Sort
摘要： SortSort1 SortSelect sort is the simplest sorting alogrithms.1.1 IDEA1.find the smallest element in the rest of array2.exchange the element with with the i th entry.3.repeat step1 and step2 util all i... 阅读全文
posted @ 2015-10-05 21:15 mlhy 阅读(279) 评论(0) 推荐(0)
ID3/C4.5/Gini Index
摘要： ID3/C4.5/Gini IndexID3/C4.5/Gini Index1 ID3Select the attribute with the highest information gain.1.1 Formula1.2 FormulaLet pi be the probability that an arbitrary tuple in D belongs to class Ci, esti... 阅读全文
posted @ 2015-10-05 18:24 mlhy 阅读(1182) 评论(0) 推荐(0)