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st: RE: SSC: nothing to install

From   "Nick Cox" <[email protected]>
To   <[email protected]>
Subject   st: RE: SSC: nothing to install
Date   Wed, 25 Feb 2004 15:35:46 -0000

I believe Kit Baum is out of town, so I'll attempt 
a reply on his behalf (also as original joint author
of -ssc-.) 

The important detail here is not only the difference 
between SSC and -ssc-. That's clear: SSC is an archive, 
which as it happens includes both Stata and non-Stata 
material, while -ssc- is a Stata command. Also, and 
very importantly, SSC came first, and follows its own 
rules. It's, emphatically, not controlled by StataCorp, 
although I think it's fair to say they are very happy
that it exists. -ssc- is just a tool for accessing SSC's 
Stata material. It's an official Stata command. 

The detail here is that there is not a one-to-one 
correspondence between SSC resources and possible -ssc- 
downloads of Stata programs or help files. 

I looked to see how -ssc- is written up. The help starts: 

"-ssc- works with packages (and files) from the 
Statistical Software Components (SSC) archive, 
often called the Boston College Archive, and 
provided by"; 

In this particular case, the package is just the 
file clarify.pkg whose contents you see with 
-ssc desc clarify-. There are no further  
files corresponding to the -clarify- entry. 
The entry is there as a pointer to Gary King's stuff.  
-findit clarify- also gets you there, as Friedrich points
out. As many people know, Gary's group provides 
resources from his own webpages. 

There are a few such entries on SSC, intended 
to be helpful rather than the reverse. 

In short, -ssc- works exactly as advertised, but
there is no absolute rule that a package need 
include Stata .ado and/or .hlp files. 

[email protected] 

> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]]On Behalf Of Friedrich
> Huebler
> Sent: 25 February 2004 14:45
> To: [email protected]
> Subject: st: SSC: nothing to install
> Why does SSC list packages that cannot be installed?
> . ssc d clarify
> package clarify from
> [description omitted]
>       (none)
> (type -ssc install clarify- to install)
> . ssc install clarify
> nothing to install
> I could install -clarify- from the author's site after I searched for
> it with -findit-.

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