I want to do bootstrap analysis by using 20*1 matrix.

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Chris
Chris 2022-10-26
回答： the cyclist 2022-10-27
I want to draw 500 samples from the 20*1 matrix (20 pairs of observations).
In this case, what codes do I have to use?

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采纳的回答

the cyclist
the cyclist 2022-10-27
One way is
% Pretend input data
M = rand(20,1);
idx = randi(20,500,1);
samples = M(idx);

更多回答（1 个）

the cyclist
the cyclist 2022-10-27
If you have the Statistics and Machine Learning Toolbox, you can do
% Pretend input data
M = rand(20,1);
samples = randsample(M,500,true);

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