why am I getting error when I detect dataset with SVM?
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actually i have problem with method support vector machine (SVM), i didn't detect my dataset in the program.
here is the error:
Error using svmtrain (line 230)
svmtrain has been removed. Use fitcsvm instead.
Error in multisvm (line 28)
svmStruct = svmtrain(T,newClass);
Error in Detect (line 144)
result = multisvm(Train_Feat,Train_Label,test);
here is the code:
% Load All The Features
load('Training_Data.mat')
% Put the test features into variable 'test'
test = feat_disease;
result = multisvm(Train_Feat,Train_Label,test);
%disp(result);
% Visualize Results
if result == 0
helpdlg(' Alternaria Alternata ');
disp(' Alternaria Alternata ');
elseif result == 1
helpdlg(' Anthracnose ');
disp('Anthracnose');
elseif result == 2
helpdlg(' Bacterial Blight ');
disp(' Bacterial Blight ');
elseif result == 3
helpdlg(' Cercospora Leaf Spot ');
disp('Cercospora Leaf Spot');
elseif result == 4
helpdlg(' Healthy Leaf ');
disp('Healthy Leaf ');
end
%% Evaluate Accuracy
load('Accuracy_Data.mat')
Accuracy_Percent= zeros(200,1);
for i = 1:500
data = Train_Feat;
%groups = ismember(Train_Label,1);
groups = ismember(Train_Label,0);
[train,test] = crossvalind('HoldOut',groups);
cp = classperf(groups);
svmStruct = svmtrain(data(train,:),groups(train),'showplot',false,'kernel_function','linear');
classes = svmclassify(svmStruct,data(test,:),'showplot',false);
classperf(cp,classes,test);
Accuracy = cp.CorrectRate;
Accuracy_Percent(i) = Accuracy.*100;
end
Max_Accuracy = max(Accuracy_Percent);
sprintf('Accuracy of Linear Kernel with 500 iterations is: %g%%',Max_Accuracy)
0 个评论
采纳的回答
Walter Roberson
2019-5-18
You are getting that error because svmtrain was removed as of R2018a, which they started warning about in R2017a, after having introduced the replacement routines in R2014a.
6 个评论
更多回答(3 个)
fawad khan
2019-7-15
same error here how you solve this error.
2 个评论
Walter Roberson
2019-7-16
You can run in R2017b. Or you can take the time to rewrite to use the new routines.
Lutfia Nuzula
2020-3-24
some problem, but i was run in 2018b. how to solve the error?
4 个评论
Ashwini Patil
2020-8-31
编辑:Ashwini Patil
2020-8-31
But not properly classify the plant disease ,wrong disease display in window ,plz can i get the right code for proper classify result .
jasmine bala
2021-3-30
how to solve the error in matlab 2018?
Group =fitcsvm(svmstruct1.Test_Set_tmp)
1 个评论
Walter Roberson
2021-3-30
Code that used svmstruct is almost always written for the earlier SVM functions that MATLAB does not provide any more. Those functions used numeric arrays, and did not permit table objects.
The newer fitcsvm does not accept being passed just a single parameter: it needs one of
- table and name of response variable
- table and "formula" of which variables are related
- numeric data as first parameter, and information about the labels in the second parameter (not necessarily numeric)
另请参阅
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