Or, I should say, it worked when I dropped the missing observations; not the variables.
Andrew
From: cem-bounces@lists.gking.harvard.edu [mailto:cem-bounces@lists.gking.harvard.edu] On Behalf Of Spiegelman, Andrew
Sent: Monday, April 27, 2015 9:52 AM
To: 'Matt Blackwell'; cem@lists.gking.harvard.edu
Subject: Re: [cem] [EXTERNAL] Re: Stata cem r(3301)
Indeed that does seem to work. Thanks for the help and thanks for great software.
Andrew
From: Matt Blackwell [mailto:mblackwell@gov.harvard.edu]
Sent: Monday, April 27, 2015 9:49 AM
To: Spiegelman, Andrew; cem@lists.gking.harvard.edu
Subject: [EXTERNAL] Re: [cem] Stata cem r(3301)
Hi Andrew,
Does CEM work if you remove the "if" statement? If so, you can probably get around this bug by dropping the missing treatment variables before performing the matching.
Hope that helps!
Cheers,
Matt
~~~~~~~~~~~
Matthew Blackwell
Assistant Professor of Government
Harvard University
On Mon, Apr 27, 2015 at 9:46 AM Spiegelman, Andrew <Andrew.Spiegelman@va.gov> wrote:
Dear CEM List,
I am attempting to run cem in Stata MP 14:
cem months (#15) if laac_none_base50p!=., treatment(laac_none_base50p) show
I get the following error:
cemStata(): 3301 subscript invalid
<istmt>: - function returned error
r(3301);
My data:
479,808 observations
months ranges from 1-156 and is a real number
laac_none_base50p is either 0 (n=1,140) or 1 (n=472,312)
Please help; I can’t find any support for this error.
Andrew
-
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