How do i create a table with increments of occurrences of a value based on another column?

조회 수: 8 (최근 30일)
I have a vector as: [1,2,3,4,5,1,3,4,6,5,1,3]
How do i create another vector as: [1,1,1,1,1,2,2,2,1,2,3,3]
Since 1 is repeating 3 times so i replaced the 1st occurance of 1 by 1, second occurence by 2 and third occurence by 3. Similarly, i did for others.

답변 (1개)

David Hill
David Hill 2021년 6월 8일
x= [1,2,3,4,5,1,3,4,6,5,1,3];
y=unique(x);
z=ones(size(x));
for k=y
a=find(x==k);
z(a)=1:length(a);
end

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