Re: Superimposing Normal on a Histogram of data
- To: mathgroup at smc.vnet.net
- Subject: [mg91570] Re: [mg91563] Superimposing Normal on a Histogram of data
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Thu, 28 Aug 2008 03:15:04 -0400 (EDT)
- Reply-to: hanlonr at cox.net
Needs["Histograms`"];
data = RandomReal[NormalDistribution[5, 2], {100}];
{mu, sigma} = {Mean[data], StandardDeviation[data]}
{5.21122,1.84401}
Show[{Histogram[data, HistogramScale -> 1],
Plot[PDF[NormalDistribution[mu, sigma], x],
{x, mu - 3 sigma, mu + 3 sigma},
PlotStyle -> Red]},
PlotRange -> All]
Bob Hanlon
---- ouadad <desmier.pe at forces.gc.ca> wrote:
=============
Can someone point me to an algorithm that allows me to plot a normal curve over a histogram of residuals? I just want to show how close my residual distribution approximates a normal distribution.