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RE: st: RE: Features for Stata 14


From   "Feiveson, Alan H. (JSC-SK311)" <alan.h.feiveson@nasa.gov>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: Features for Stata 14
Date   Tue, 18 Feb 2014 19:57:25 +0000

I know we had a long discussion of this issue a few years ago. Nick contributed some reasons why interactive transformations may not work - but I don't remember what his argument was. Nick - do you mind stating your argument again or pointing us to where it is in the archives?

Thanks,

Al

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Jacobs, David
Sent: Tuesday, February 18, 2014 12:30 PM
To: 'statalist@hsphsun2.harvard.edu'
Subject: RE: st: RE: Features for Stata 14

I second Richard's suggestions.  At least two statistical packages (EViews for example) let users construct variable modifications using useful  functions such as the log or the square root interactively in the command space.  

In addition to being extremely convenient, this feature saves storage space because one doesn't have to keep such transformed variables in data files.

Dave Jacobs

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Richard Williams
Sent: Tuesday, February 18, 2014 1:02 PM
To: statalist@hsphsun2.harvard.edu; statalist@hsphsun2.harvard.edu
Subject: Re: st: RE: Features for Stata 14

I have probably said this before, but the things I want are

* Margins should be easier to use after multiple outcome commands like mlogit and ologit. Having to specify a separate margins command for each outcome is a pain. Have margins do something like what the SSC user-written commands margeff and mfx2 did before margins came along.

* More powerful commands for factor variables. For example, be able to specify the log of a variable and other functions of variables that may be useful.

* More command-specific help for margins. Statalist is always getting questions about why this or that option does not work with margins after some command. The answer is usually something along the lines of saying that the option is not appropriate in that situation. If we were all really really really smart I suppose we would realize that already, but a lot of times we don't. Barring command-specific help, maybe there could be a detailed FAQ that explained why margins can't do something after specific commands.

-------------------------------------------
Richard Williams, Notre Dame Dept of Sociology
OFFICE: (574)631-6668, (574)631-6463
HOME:   (574)289-5227
EMAIL:  Richard.A.Williams.5@ND.Edu
WWW:    http://www.nd.edu/~rwilliam

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