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mikechengwei
2017-09-25 13:26:50 +08:00
parent 414999edbb
commit 713d867249
2 changed files with 1 additions and 7 deletions
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.idea/vcs.xml generated
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@@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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docs/12.使用FP-growth算法来高效发现频繁项集.md
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@@ -52,7 +52,7 @@ class treeNode:
从FP树中挖掘出频繁项集
步骤3:
1. 对头部链表进行降序排序。
1. 对头部链表进行降序排序
2. 对头部链表节点从小到大遍历，得到条件模式基，同时获得一个频繁项集。
![](../images/12.FP-growth/步骤6-2.png)
如上图，从头部链表 t 节点开始遍历，t 节点加入到频繁项集。找到以 t 节点为结尾的路径如下: