資源簡介
基于BP神經網絡的IRIS數據集訓練和測試,有完整的數據集和實現代碼,直接運行即可得到結果,并顯示,正確率,誤差,迭代次數等參數

代碼片段和文件信息
%%?歸一化
function?[X_norm?maxVal?minVal]?=?featureNormalize(X)
X_norm?=?X;
maxVal?=?max(X);
minVal?=?min(X);
%?樣本個數
m?=?size(X_norm?1);
%?生成多列一樣的max和min
maxVal?=?repmat(maxVal?m?1);
minVal?=?repmat(minVal?m?1);
X_norm?=?(X_norm?-?minVal)?./?(maxVal?-?minVal);
end
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-04-22?14:09??ai_assignment_nn-master\
?????文件??????????53??2017-04-22?14:09??ai_assignment_nn-master\README.md
?????文件?????????292??2017-04-22?14:09??ai_assignment_nn-master\featureNormalize.m
?????文件????????4549??2017-04-22?14:09??ai_assignment_nn-master\iris.txt
?????文件????????1144??2017-04-22?14:09??ai_assignment_nn-master\loadData.m
?????文件????????2636??2017-04-22?14:09??ai_assignment_nn-master\nn.m
?????文件?????????554??2017-04-22?14:09??ai_assignment_nn-master\predict.m
?????文件?????????239??2017-04-22?14:09??ai_assignment_nn-master\random_initialize.m
?????文件??????????87??2017-04-22?14:09??ai_assignment_nn-master\sigmoid.m
?????文件????????2217??2017-04-22?14:09??ai_assignment_nn-master\trainingNN.m
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