Spiting Cell Array into Different Delimiter Numbers

Hi, I have this set of array, and I would like to spilt it into different numbers. One set of "Dive" is 1, and for the next dive is 2 and so on.... it will keep incrementing when theres a new set of Dive to Walk.

It should be like this

Final Results :

Answer 1

[Akira Agata]

How about the following?

% Example of the input array
Act = repmat({'Dive';'Run';'Walk'},4,1);

uniqueAct = unique(Act);
Count = nan(size(Act));

for kk = 1:numel(uniqueAct)
  idx = strcmp(Act,uniqueAct{kk});
  Count(idx) = 1:nnz(idx);
end

T = table(Act,Count);

>> T

T =

12×2 table

Act Count

________ _____

{'Dive'} 1

{'Run' } 1

{'Walk'} 1

{'Dive'} 2

{'Run' } 2

{'Walk'} 2

{'Dive'} 3

{'Run' } 3

{'Walk'} 3

{'Dive'} 4

{'Run' } 4

{'Walk'} 4