20 lines
401 B
Matlab
20 lines
401 B
Matlab
load thymusglandweights.dat
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x = thymusglandweights(1:50);
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m = 500;
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n = length(x);
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x = sort(x);
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me = zeros(m,1);
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for i = 1:m
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me(i) = mean(x(randi(n,n,1)));
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end
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a1 = tinv(0.025,n-1);
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a2 = tinv(1-0.025,n-1);
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se = std(x)/sqrt(n);
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fprintf('bootstrap quantiles: %.4f, %.4f \n', quantile(me,0.025), quantile(me,1-0.025));
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fprintf('analytical quantile: %.4f, %.4f \n', mean(x)+a1*se, mean(x)+a2*se);
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