Letter to numerb: Create a new 'if' variable to change 'Y' and 'N' to 1 and 0

Question

Max 2022-8-14

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1779085-letter-to-numerb-create-a-new-if-variable-to-change-y-and-n-to-1-and-0

编辑： dpb 2022-8-14

Datasample.xlsx

I would like to create a new variable and change those 'N's and 'Y's to 0 (N) and 1 (Y).

Does someone know an easy way to solve the problem?

Best regards

Max

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Answer 1

dpb 2022-8-14

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1779085-letter-to-numerb-create-a-new-if-variable-to-change-y-and-n-to-1-and-0#answer_1026260

在 MATLAB Online 中打开

>> categorical({'Y';'N';'Y'},{'N';'Y'},{'0';'1'})
ans = 
  3×1 categorical array
     1 
     0 
     1 
>> matches({'Y';'N';'Y'},'Y')
ans =
  3×1 logical array
   1
   0
   1
>> categorical(matches({'Y';'N';'Y'},'Y'))
ans = 
  3×1 categorical array
     true 
     false 
     true 
>> 