資源簡介
隨機森林在MATLAB上的實現,并且可以對特征進行重要性排序選擇。
代碼片段和文件信息
%--------------------------------------------------------------------------
clear;clc;close?all
%--------------------------------------------------------------------------
%?Load?an?example?dataset?provided?with?matlab
load?house_dataset
In?=?houseInputs‘;
Out?=?houseTargets‘;
%--------------------------------------------------------------------------
%?Find?capabilities?of?computer?so?we?can?best?utilize?them.
%?Find?if?gpu?is?present
ngpus=gpuDeviceCount;
disp([num2str(ngpus)?‘?GPUs?found‘])
if?ngpus>0
????lgpu=1;
????disp(‘GPU?found‘)
????useGPU=‘yes‘;
else
????lgpu=0;
????disp(‘No?GPU?found‘)
????useGPU=‘no‘;
end
%?Find?number?of?cores
ncores=feature(‘numCores‘);
disp([num2str(ncores)?‘?cores?found‘])
%?Find?number?of?cpus
import?java.lang.*;
r=Runtime.getRuntime;
ncpus=r.availabl
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件??????45216??2015-11-25?11:44??exampleRF\EroorAsFunctionOfForestSize.png
?????文件???????5304??2015-11-25?11:43??exampleRF\exampleRF.m
?????文件??????65321??2015-11-25?11:44??exampleRF\RelativeImportanceInputs.png
?????文件??????68672??2015-11-25?11:44??exampleRF\ScatterDiagram.png
?????文件????????365??2015-11-25?11:44??exampleRF\__MACOSX\._EroorAsFunctionOfForestSize.png
?????文件????????239??2015-11-25?11:43??exampleRF\__MACOSX\._exampleRF.m
?????文件????????365??2015-11-25?11:44??exampleRF\__MACOSX\._RelativeImportanceInputs.png
?????文件????????368??2015-11-25?11:44??exampleRF\__MACOSX\._ScatterDiagram.png
?????目錄??????????0??2015-11-25?11:50??exampleRF\__MACOSX
?????目錄??????????0??2017-02-25?22:43??exampleRF
-----------?---------??----------?-----??----
???????????????185850????????????????????10
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