Error in LS-SVMLab ?

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shawin
shawin on 7 Jul 2023
Commented: shawin on 8 Jul 2023
Hi,
kindly, i have an issue with lssvm tool toolbox, i am getting error !!
Please could you help ?
error
Dot indexing is not supported for variables of this type.
Error in tunelssvm (line 145)
if model.code(1) == 'c', % changed
Note
"I just used iris data"
the code :
load iris.dat
setosa = iris((iris(:,5)==1),:); % data for setosa
versicolor = iris((iris(:,5)==2),:); % data for versicolor
virginica = iris((iris(:,5)==3),:); % data for virginica
obsv_n = size(iris, 1);
X= iris(:,1:4);
Y=iris(:, 5);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
type = 'classification';
L_fold = 10; % L-fold crossvalidation
[gam,sig2] = tunelssvm({X,Y,type,[],[],'RBF_kernel'},'gridsearch', 'crossvalidatelssvm',{L_fold,'misclass'});
[alpha,b] = trainlssvm({X,Y,type,gam,sig2,'RBF_kernel'});
plotlssvm({X,Y,type,gam,sig2,'RBF_kernel'},{alpha,b});
  2 Comments
Cris LaPierre
Cris LaPierre on 7 Jul 2023
There is no error in what you have shared. We need to see the code where the error occurs (line 145), as well as the code used to create your variable model.
shawin
shawin on 8 Jul 2023
I update the code section

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