Conversion of Categorical to char while maintaining same dimension
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I have a variable having dimension m-by-3. It's datatype is categorical. I am trying to convert it to char datatype while maintaining the same dimension of m-by-3.
Can someone tell me how to convert a variable of categorical datatype of dimension m-by-3 to the char datatype of dimension m-by-3?
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Voss
2024-3-9
You cannot do that in general.
In the special case that all the categories are a single character long, then you can do it:
m = 4;
% creating a random m-by-3 categorical array
C = categorical(num2cell(char(64+randi(26,[m 3]))))
% converting C to an m-by-3 char
reshape(char(C),m,[])
But if any of the categories is more than one character, that's not going to work because you have more than 3*m characters in total.
Instead, convert to a string array:
string(C) % m-by-3 string array
Or a cell array of character vectors:
cellstr(C) % m-by-3 cell array
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