Statistics/Normal distribution: Difference between revisions
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Pairs of normal numbers are generated from pairs of uniform numbers using the [https://en.wikipedia.org/wiki/Box%E2%80%93Muller_transform Box-Muller method]. A normal density is added to the histogram for comparison. See '''[http://www.stata.com/help.cgi?histogram histogram]''' in Stata help. A [https://en.wikipedia.org/wiki/Q%E2%80%93Q_plot Q-Q plot] is also drawn.
<lang stata>
Variable | Obs Mean Std. Dev. Min Max
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y | 100,000 .0017389 1.001586 -4.631144 4.460274
z | 100,000 .005054 .9998861 -5.134265 4.449522
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