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Re: st: generating synthetic data with a negatively skewed distribution?


From   Gwinyai Masukume <parturitions@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: generating synthetic data with a negatively skewed distribution?
Date   Mon, 18 Mar 2013 20:07:34 +0200

many thanks Nick. In my particular case, i'm not sure how to structure
the rbeta(a, b) argument. please kindly give an example.
kind regards,
gwinyai

On 3/18/13, Nick Cox <njcoxstata@gmail.com> wrote:
> If your criteria are no more than bounded support and negative skew,
> then a beta distribution is indeed one solution.
>
> See -help rbeta()-.
>
> Nick
>
> On Mon, Mar 18, 2013 at 2:55 PM, Gwinyai Masukume
> <parturitions@gmail.com> wrote:
>
>> I'm using version 12.1.
>>
>> I'd like to generate synthetic data with a ? negatively skewed
>> distribution.
>>
>> gen x =3D int(1964+(1999-1964)*runiform())
>>
>> I would for example like a peak of events at say 1983, with more events
>> between 1983 and 1999 (with fewer events between 1964 and 1983).
>>
>> I suspect that drawing from a beta distribution may work?
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