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Re: st: RE: Plot PDF and CDF


From   Tobias Friedli <[email protected]>
To   [email protected]
Subject   Re: st: RE: Plot PDF and CDF
Date   Wed, 3 Nov 2010 19:58:56 +0100

Nick,

Thanks, 
> . twoway function normden(x,1,1), ra(-5 5) || function normden(x), ra(-5 5)
is exactly what i was looking for. 
One more question, what do i have to type instead of "normden" to receive the cdf?
Or where can i find all these "abbreviations"?



On 03.11.2010, at 19:44, Nick Cox wrote:

> By "table" I guess you mean "graph". 
> 
> -zdemo2- is from http://www.ats.ucla.edu/stat/stata/ado/teach/
> 
> You could look inside the code for -zdemo2- and modify how Phil Ender did it. 
> 
> Alternatively you could combine -functions- and -twoway function- e.g. 
> 
> . twoway function normden(x,1,1), ra(-5 5) || function normden(x), ra(-5 5)
> 
> You don't make clear how cdf and pdf are to be plotted together when the units are different.
> 
> Nick 
> [email protected] 
> 
> Hobst
> 
> I just want to plot a normal distribution, i have mean and sd. If possible i
> would like to plot two different normal distributions in one table. I want
> to plot the CDF as well as the PDF for both functions.
> 
> i found the -zdemo2- but unfortunately this one doesnt alllow to scale the y
> axis
> 
> 
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