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針對(duì)當(dāng)前聚類算法存在的由于初始聚類中心隨機(jī)選取造成最終聚類結(jié)果不佳,運(yùn)用一種啟發(fā)式的Canopy算法去優(yōu)化聚類中心的算法,程序用Java編寫,希望對(duì)大家有用

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代碼片段和文件信息

package?buju;
import?java.util.ArrayList;
import?java.util.List;

/**
?*?Canopy算法?借助canopy算法計(jì)算對(duì)應(yīng)的Kmeans中的K值大小
?*?其中對(duì)于計(jì)算K值來說,?我們這里將T2設(shè)置為平均距離
?*?獲取T1內(nèi)圈的數(shù)據(jù)向量,k和簇的中心
?*/
public?class?Canopy?{
????private?List?points?=?new?ArrayList();?//?進(jìn)行聚類的點(diǎn)
????private?List>?clusters?=?new?ArrayList>();?//?存儲(chǔ)簇
????private?double?T2?=?-1;?//?閾值
????private?double?T1?=?0;
????
????public?Canopy(List?points)?{
????????for?(Point?point?:?points)
????????????//?進(jìn)行深拷貝
????????????this.points.add(point);
????}

???
?????//進(jìn)行聚類,按照Canopy算法進(jìn)行計(jì)算,將所有點(diǎn)進(jìn)行聚類
?????
????public?void?cluster()?{
????????//T2?=?getAverageDistance(points);
???? T2=getAverageDistance(points);
???? T1=2*T2;
????????while?(points.size()?!=?0)?{
????????????List?clust

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????301??2014-08-07?09:46??CanopyExm\.classpath

?????文件????????385??2014-11-20?19:57??CanopyExm\.project

?????文件????????629??2014-08-07?09:46??CanopyExm\.settings\org.eclipse.jdt.core.prefs

?????文件???????6274??2014-11-20?20:06??CanopyExm\bin\buju\Canopy.class

?????文件???????5724??2014-11-20?21:27??CanopyExm\bin\buju\canopy2.class

?????文件????????256??2014-11-20?19:57??CanopyExm\bin\buju\members.class

?????文件????????665??2014-11-20?19:57??CanopyExm\bin\buju\Point.class

?????文件???????7207??2014-11-20?20:06??CanopyExm\src\buju\Canopy.java

?????文件???????6129??2014-11-20?21:27??CanopyExm\src\buju\canopy2.java

?????文件????????360??2014-11-06?17:08??CanopyExm\src\buju\members.java

?????目錄??????????0??2014-11-21?16:52??CanopyExm\bin\buju

?????目錄??????????0??2014-11-21?16:52??CanopyExm\src\buju

?????目錄??????????0??2014-11-21?16:52??CanopyExm\.settings

?????目錄??????????0??2014-11-21?16:52??CanopyExm\bin

?????目錄??????????0??2014-11-21?16:52??CanopyExm\src

?????目錄??????????0??2014-11-21?16:52??CanopyExm

-----------?---------??----------?-----??----

????????????????27930????????????????????16


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