creating a variable to use for grouping data
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I want to create a variable (a column vector) with a specific length (8000), containing values 1 to 10 randomly assigned and with a specific average repetition of each number (say 800). How to do this?
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Walter Roberson
2012-4-20
If the number of repetitions is to be exact:
t = repmat(1:10.', 800, 1);
t(randperm(length(t)))
If the repetitions need not be exact:
1 + floor(10 * rand(8000,1))
2 个评论
Rabeya
2012-4-20
Walter Roberson
2012-4-20
Opps, I had an extra layer of repmat() on the first solution! I have edited.
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