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隨機子空間集成分類器, 可以實現比bagging 更好的分類和識別
代碼片段和文件信息
function?[outx?outdim]=?randomsubspace(inx?B?par)
%???
%????
%???Bootstrap??resampling??procedure?for?a?training?data?set
%???given?in?input?data?(in).?The?number?of?rows?of?in?is?the?
%???number?of?training?samples?while?the?number?of?columns?is?
%???the?number?of?features
%
%???Inputs:
%??????in?-?input?training?data?(number?of?samples?x?dimension?of?features)
%??????B?-?number?of?Random?Subspace?resamples?(default?B=1)????????
%???Outputs:
%??????out?-?B??resamples?of?the?input?data??
dim_index?=?1:size(inx2);
for?k=1:B
????new_dim?=?randsample(dim_index?fix(size(inx2)*par)?);
????newx?=?inx(:new_dim);
????eval([‘outx(::‘?num2str(k)?‘)=newx;‘]);?
????eval([‘outdim(:‘?num2str(k)?‘)=new_dim;‘]);?
end
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????728??2010-03-16?15:32??randomsubspace.m
?????文件????????696??2010-05-19?10:22??useRandomSubspace.m
-----------?---------??----------?-----??----
?????????????????1424????????????????????2
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