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st: Re: RE: Re: Memory


From   "Victor M. Zammit" <[email protected]>
To   <[email protected]>
Subject   st: Re: RE: Re: Memory
Date   Wed, 12 Nov 2008 18:42:53 +0100

By infinite I mean a large enough number of samples of thirty each,that
brings convergence to my results..The litmus test would be,convergence to
the official t-table.
If there is some analytic solution,that would be great too,but I do not know
where I could getthat from.



  Original Message ----- 
From: "Nick Cox" <[email protected]>
To: <[email protected]>
Sent: Wednesday, November 12, 2008 6:28 PM
Subject: st: RE: Re: Memory


> What do you mean by "infinite" precisely? There are various mathematical
meanings, courtesy of Cantor, but I doubt that you mean any of them.
>
> Otherwise I can think of three answers to your question.
>
> 1. -help limits- tells you the limits your Stata has in terms of what it
can do; your machine and OS probably cannot oblige.
>
> 2. You can set up a dataset with 30 observations and keep sending results
from a loop to a file outside Stata, but in terms of doing anything with
those results in Stata you are back to answer 1.
>
> 3. What you are doing probably has an analytic solution so that
computation is unnecessary. In particular, Stata's functions will surely
print out a t-table better than any you can get by simulation.
>
> Nick
> [email protected]
>
> Victor M. Zammit
>
>
> I need to t-test an infinit number of random samples of size 30 ,from an
> infinite,normally distributed population.Each t-value is saved and then
> appended together to form a database for t table.The problem is that I get
> constrained by memory regardless of the size of the memory in my Stata.I
> have Version 9 .Is there a way of  getting  around this constrained.?
>
>
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