قسم الإعلام الآلي

1/ the function

============================================

function [classes, instancesN] = findClasses(dataset)

m_map = containers.Map();

[rows, columns] = size(dataset);

for i=1:rows

     if m_map.isKey(dataset{i,1})

            m_map(dataset{i,1}) = m_map(dataset{i,1})+1;

     else

            m_map(dataset{i,1}) = 1;

     end

end

classes = m_map.keys();

instancesN = m_map.values();

for k=1:length(classes)
     x = classes{k};
     i = num2str(instancesN{k});
     strcat("Class: '",x,"' has: ",i," instance(s)")
end

=============================================

Execution: