>> [attrib1, attrib2, attrib3, attrib4, class] = textread('data\iris.data', '%f%f%f%f%s', 'delimiter', ',');
>> attrib = [attrib1'; attrib2'; attrib3'; attrib4']';
>> a = zeros(150, 1);
>> a(strcmp(class, 'Iris-setosa')) = 1;
>> a(strcmp(class, 'Iris-versicolor')) = 2;
>> a(strcmp(class, 'Iris-virginica')) = 3;
至此，属性值均保存到attrib中，类别值保存到数组a中。
标签：Iris,class,f%,数据,strcmp,UCI,Matlab From： https://www.cnblogs.com/liylllove/p/17908982.html