MATLAB: How to scatter plot a row of matrix against it’s row number

Question

I have a cell array(400*3000), which has 3000 sequences, how do I plot only 170th row against row no. in a graph, the desired result is scatter plot at 170th position.

Answer 1

data=rand(400,3000);
for i=1:170
    scatter(repelem(i,3000),data(i,:));
    hold on
end 

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