Confusion Matrix class-label

Question

Ayush Chatterjee 2020-7-21

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/568470-confusion-matrix-class-label

评论： Ayush Chatterjee 2020-8-3

I want to write the class labels of my confusion matrix as 'f subscript 1', 'f subscript 2' etc. However when I am defining as

cm = confusionchart([20 0 0; 0 20 0; 0 0 20],{'f_1','f_2','f_3'}),,,But the class labels are coming as 'f_1', 'f_2' etc. The subscripts are not coming.

I have also tried this...cm = confusionchart([20 0 0; 0 20 0; 0 0 20],{'$f_1$','$f_2$','$f_3$'}, 'Interpreter','latex' )....This is showing an error message.

Can anybody please help me out?

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Ayush Chatterjee 2020-8-3

Thank you so much.

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Answer 1

Madhav Thakker 2020-7-24

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/568470-confusion-matrix-class-label#answer_470527

To put latex in XTickLabel and YTickLabel, you can use the plotconfusion() function. plotconfusion() has a Children Graphics field whose second element is Axes and it can be modified to change the XTickLabel property which supports latex as well.

But, confusionchart() does not return the axes. It returns a ConfusionMatrixChart variable which does have a ClassLabels field but it is read only. There is an option to specify ClassLabels while declaring the confusion matrix, but it does not take latex formatted values.

Example of plotconfusion() function - https://in.mathworks.com/matlabcentral/answers/418387-can-i-change-the-properties-of-the-confusion-matrix-plot-like-axes-labels-and-tick-labels?s_tid=srchtitle.

Hope this helps.