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convert xi to i

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Parisa Keshavarz
Parisa Keshavarz 2020-7-26
关闭: MATLAB Answer Bot 2021-8-20
Hello,
I have created a regression tree and I have printed the cut predictors which are the variables that were used in each branch.
It gives me a cell array like this: 'x2' 'x1' 'x1'
I need these to be converted into numerical values. Instead of 'x2' I need 2 or instead of 'x1' I need 1
How should I do this conversion?
Thank you

回答(1 个)

madhan ravi
madhan ravi 2020-7-26
ix = ismember(cell_array, 'x1') % strcmp()
Wanted = ix + 2 * ~ix
  4 个评论
Parisa Keshavarz
Parisa Keshavarz 2020-7-26
I have one more question, I need to have a logical matrix that has n=the number of instances and tl=number of leaves in my decision tree
I want it to be 1 if instance i is in leaf j for example and 0 otherwise. does such a function for this already exist? If not how should I do it?
madhan ravi
madhan ravi 2020-7-26
That’s a new question and I don’t know how it’s related to this question.

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