Hi all,
I do not have a licence for stata to combine the imputations for amelia. I have thought about using an aggregate function in SPSS to generate means and standard deviations for cases across all the five files (My gut instinct is that this is way too simple). I have also thought about using NORM to combine the five file parameters (Again seems to simple). Any advice on how to combine the amelia data files without stata would be much appreciated.
Kind regards Paul
I'm hoping you might be able to offer guidance regarding an error
message I am receiving when I attempt to open AMELIA. I've used the
program previously without problems; however, today, I've been receiving
repeated error messages before the program opens. Although the program
opens after I receive the error message twice, I'm concerned that the
problem will influence the functioning of the program and thus result in
biased imputation. Here's the error message:
ERROR: MSR 0x0073c35f [CAT 7/3 STD 50015]
Category: Underlying system generated error [Toolkit error]
Function: xvt_print_create
xvt_win_create_defxvt_app_create
Any guidance you can offer would be much appreciated. Thank you.
Malitta Engstrom, Ph.D., L.C.S.W.
Assistant Professor
School of Social Service Administration
University of Chicago
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I started to use one potential workaround for "unit-wise" missing data, but
it begs the obvious question asked below.
About the data set:
2 x 7 x 4 IVs (= 56conditions) x 14 subjects (= 784 cells) x multiple
responses per subject per condition (6228 responses total).
The 18-20 DVs mentioned previously are probably only 10 or 12 variables to
be tested in repeated measures ANOVAs. Still, one issue was that in the
six missing cells, data of all dependent variables are missing. This is
essentially "unit-wise" missing data, isn't it? I arranged three IVs, the
subject number, and one DV into five columns; then, I ran Amelia to impute
six missing datum x 5. Is there a way to do the imputations on all DVs at
once, and thereby avoid splitting the dataset and repeating the procedures?
Deric Wisleder
Removing spaces from the variable names corrected the problem.
>Date: Fri, 01 Oct 2004 15:51:29 -0700
>To: amelia(a)latte.harvard.edu
>From: Deric Wisleder <dericw(a)asu.edu>
>Subject: Input is closing the program
>
>My input file is .txt (tab delimited). I have tried many maneuvers to
>input the file, but it closes the program (a couple times, I got "file
>does not exist", with the program remaining open). The data and program
>are in the path C:\Amelia . Also, I used the PATH command in autoexec.bat
>. The input filename is six characters with the .txt extension. Thank
>you for your help to get this working.
>
>Deric Wisleder
My input file is .txt (tab delimited). I have tried many maneuvers to
input the file, but it closes the program (a couple times, I got "file does
not exist", with the program remaining open). The data and program are in
the path C:\Amelia . Also, I used the PATH command in autoexec.bat . The
input filename is six characters with the .txt extension. Thank you for
your help to get this working.
Deric Wisleder
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Johanna
