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Re: st: Stata 13 ships June 24

From   Jordan Silberman <>
Subject   Re: st: Stata 13 ships June 24
Date   Fri, 21 Jun 2013 23:54:20 -0400

I was glad to see the many new improvements in Stata, and a bit
disappointed that there's no mention of providing degrees of freedom
estimates for mixed effects models. Any idea when this feature might
be added??

On Mon, Jun 10, 2013 at 10:32 AM, William Gould, StataCorp LP
<> wrote:
> Here are some answers to questions about Stata 13 that have appeared on
> Statalist:
>     Q1.  "Am I to understand that printed documentation is no longer
>          available?  Just PDF?"
>     A1.  Yes, that's right.  We intend to look into print-on-demand if
>          there is interest.
>     Q2.  Regarding -gsem- and -gllamm:  "How much faster are we talking
>          about here? Is it a factor of 2, a factor of 5, a factor of
>          100?"
>     A2.  It is always risky to quantify these things but, in our
>          experience, -gsem- is at least four times faster, usually is
>          is 10 to 100 times faster, and we have examples where -gsem-
>          is 1,000 times faster.
>     Q3.  "Seems the cost of Stata now includes an optional maintenance
>          fee? It would be nicer if plain English were use to explain
>          why the fee is to my benefit and when it might not be (in the
>          development cycle). Does the new fee indicate Stata Corp is
>          moving to a longer development cycle?
>     A3.  The cost of Stata does *NOT* include an optional maintenance
>          fee.  Maintenance is optional.
>          Maintenance allows you pay an annual charge and receive the
>          next release of Stata (Stata 14) automatically and without
>          extra charage.  Many companies and instutitions prefer a
>          predictable annual cost.  We have always offered via a lease,
>          but maintenance lets you combine an annual fee with a perpetual
>          license.
>          Concerning the length of the development cycle, we have no
>          plans to lengthen it, although we have yet to hold our first
>          meeting on Stata 14.
> -- Bill
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