30 Oct
30 Oct
6:26 p.m.
New subject: [clarify] reading files under Amelia, and using imputed files with Clarify
Dear Carlos,
Yes, the mi option in clarify reads Stata datasets. In fact, that is the
only file format clarify will accept.
(1) you should load one of the imputed files into memory before
you call estsimp. Do this by typing "use imp1"
(2) clarify is case-sensitive, as are all stata commmands. This means
that "estsimp..." will work but "Estsimp...", which you have in the
example below, will not
(3) the variables in your imputed datasets can be in any order. estsimp
will recognize them
I'll let the developers of Amelia respond to your question about Win2K/me.
Regards,
Mike
Michael Tomz, Assistant Professor Phone: 650-725-4031
Department of Political Science Fax: 650-745-2765
Encina Hall, Stanford University tomz(a)stanford.edu
Stanford, CA 94305-6044
On Wed, 30 Oct 2002, Carlos Elordi wrote:
Hi,
I have a couple of questions regarding the use of imputed files under
Stata, using Clarify.
Does the 'mi' option allow to read Stata files? If so, do the variables in
the file need to be in the same order as I post them in my command?
Let's say I run > Estsimp oprobit y x z, mi(imp1 imp2 imp3)
Should y x and z be in the same order, or will mi recognize the name of my
variables? I've been trying to run this, but it hasn't worked .
On a different matter, I don't know if other people had the same problem,
but under Windows2000 and WindowsMe, Amelia would not read spss files or
some versions of excel. When it does, even if it is an ascii file, it
truncates the file. It would read files saved under Stata v.6 though.
I would like to know whether these are problems related to the operating
system or if I am just making silly mistakes (I used Amelia in the past,
under NT4 and did not have these sort of problems.)
Thanks,
Carlos
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9:11 p.m.
We can vouch for the ascii input to Amelia, since we wrote that. We don't
know of any cases where it truncates observations, so maybe the problem is
in transfering data to ascii in the first place. DataLoad, which Ameila
uses for non-ascii formats, doesn't work with all data formats.
(You've heard the other info on the Clarify listserv.)
Gary
: Gary King, King(a)Harvard.Edu http://GKing.Harvard.Edu :
: Center for Basic Research Direct (617) 495-2027 :
: in the Social Sciences Assistant (617) 495-9271 :
: 34 Kirkland Street, Rm. 2 HU-MIT DC (617) 495-4734 :
: Harvard U, Cambridge, MA 02138 eFax (928) 832-7022 :
On Wed, 30 Oct 2002, Carlos Elordi wrote:
Hi,
I have a couple of questions regarding the use of imputed files under
Stata, using Clarify.
Does the 'mi' option allow to read Stata files? If so, do the variables
in the file need to be in the same order as I post them in my command?
Let's say I run > Estsimp oprobit y x z, mi(imp1 imp2 imp3)
Should y x and z be in the same order, or will mi recognize the name of
my variables? I've been trying to run this, but it hasn't worked .
On a different matter, I don't know if other people had the same
problem, but under Windows2000 and WindowsMe, Amelia would not read
spss files or some versions of excel. When it does, even if it is an
ascii file, it truncates the file. It would read files saved under
Stata v.6 though.
I would like to know whether these are problems related to the operating
system or if I am just making silly mistakes (I used Amelia in the past,
under NT4 and did not have these sort of problems.)
Thanks,
Carlos
_______________________________________________________________________________
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participants (3)
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Carlos Elordi -
Gary King -
Mike Tomz