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st: Finding missing distribution tail and description of the histogram fitted normal curve


From   Fotios Drenos <rmhafdr@ucl.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   st: Finding missing distribution tail and description of the histogram fitted normal curve
Date   Fri, 31 Mar 2006 11:06:34 +0100

Dear All, Can anyone help with that?

I have a series of observations that produce a positively skewed distribution. There is reason to believe that the distribution is normal but the points describing the left tail are missing. Using a histogram and a normal curve on that seems to be able to give an approximate solution but I can't find a way to obtain the mean and standard deviation of this fitted distribution. Does anyone know how to obtain those through Stata? A further complication is that the observations are frequency weighed and they are very few, below 10 observations in total. Any other ideas of how I can find what the expected points in the left tail will be?

Wishes
Fotios

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