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  • 大小: 37KB
    文件類型: .zip
    金幣: 1
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    發布日期: 2021-01-05
  • 語言: Matlab
  • 標簽: 聚類分析??

資源簡介

為驗證在聚類分析的聚類結果,重要的是要使用一些客觀評價聚類質量的指標。本matlab工具箱提供4個外部效度指標和8個內部效度指標: Rand index, Adjusted Rand index, Silhouette, Calinski-Harabasz, Davies-Bouldin, Homogeneity, Separation等。含使用范例。

資源截圖

代碼片段和文件信息

function?result?=?daisy(xvtypemetric)

%DAISY?returns?a?matrix?containing?all?the?pairwise?dissimilarities
%(distances)?between?observations?in?the?dataset.??The?original
%variables?may?be?of?mixed?types.
%
%The?calculation?of?dissimilarities?is?explained?in:
%???Kaufman?L.?and?Rousseeuw?P.J.?(1990)
%???“Finding?groups?in?data:?An?introduction?to?cluster?analysis“
%???Wiley-Interscience:?New?York?(Series?in?Applied?Probability?and
%???Statistics)?ISBN?0-471-87876-6.
%
%?Required?input?arguments:
%???x?:?Data?matrix?(rows?=?observations?columns?=?variables)
%???vtype?:?Variable?type?vector?(length?equals?number?of?variables)
%???????Possible?values?are?1??Asymmetric?binary?variable?(0/1)
%???????????????????????????2??Nominal?variable?(includes?symmetric?binary)
%??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????723??2009-07-07?21:42??Notice_contributedFiles.txt
?????文件????????3863??2009-07-01?15:03??ReadmeChinese.txt
?????文件????????5259??2009-07-01?15:03??ReadmeEnglish.txt
?????文件????????2831??2006-09-19?21:13??daisy.m
?????文件????????8704??2006-05-09?14:18??daisyc.dll
?????文件?????????227??2007-04-05?13:11??ind2cluster.m
?????文件???????20832??2006-12-11?21:40??leuk72_3k.txt
?????文件????????1337??2009-07-09?03:42??license.txt
?????文件????????3877??2009-07-01?15:06??mainClusterValidationNC.m
?????文件????????8288??2006-10-25?03:01??pam.m
?????文件???????12800??2006-05-09?14:22??pamc.dll
?????文件?????????514??2006-12-18?20:46??similarity_euclid.m
?????文件?????????479??2007-03-11?14:35??similarity_pearson.m
?????文件?????????556??2007-03-11?03:25??similarity_pearsonC.m
?????文件?????????304??2006-12-18?20:52??standarz.m
?????文件????????1718??2006-10-25?00:49??valid_RandIndex.m
?????文件?????????961??2007-02-10?19:49??valid_clusterIndex.m
?????文件?????????780??2007-04-05?13:32??valid_errorate.m
?????文件?????????621??2007-03-11?04:02??valid_findk.m
?????文件?????????823??2007-03-15?12:59??valid_index_plot.m
?????文件?????????881??2007-03-15?13:10??valid_internal_deviation.m
?????文件????????1201??2007-03-15?14:05??valid_internal_intra.m
?????文件????????1258??2007-03-11?03:28??valid_intrainter.m
?????文件?????????889??2007-03-11?02:49??valid_sumpearson.m
?????文件????????1375??2007-03-11?02:47??valid_sumsqures.m
?????文件????????1936??2007-06-15?00:53??validity_Index.m
?????文件????????1429??2004-07-31?21:28??xlim2.m

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