yes. that's correct :-)
-----Ursprungliche Nachricht-----
Von: gov2001-l-bounces(a)lists.fas.harvard.edu
[mailto:gov2001-l-bounces@lists.fas.harvard.edu]
Gesendet: Tuesday, December 07, 2004 10:57 PM
An: gov2001-l(a)lists.fas.harvard.edu
Betreff: [gov2001-l] 1b)
This seems obvious, but if the control group is "the set of
individuals who
receive none of the treatments" then the size of the treatment
group should
be the same for all three treated groups in Table 1? Yes?
Thanks,
A
-----Original Message-----
From: gov2001-l-bounces(a)lists.fas.harvard.edu
[mailto:gov2001-l-bounces@lists.fas.harvard.edu] On Behalf Of Olivia Lau
Sent: Tuesday, December 07, 2004 5:18 PM
To: gov2001-l(a)lists.fas.harvard.edu
Subject: Re: [gov2001-l] p3
yes. persons = household
On Tue, 7 Dec 2004, Jens Hainmueller wrote:
in problem 3.
"Match on the pre-treatment variables persons, age, democrat,
and
vote96."
the dataset does not contain a variable "persons". do you mean
"houshold"?
j.
> -----Ursprungliche Nachricht-----
> Von: gov2001-l-bounces(a)lists.fas.harvard.edu
> [mailto:gov2001-l-bounces@lists.fas.harvard.edu]
> Gesendet: Tuesday, December 07, 2004 10:14 AM
> An: gov2001-l(a)lists.fas.harvard.edu
> Betreff: [gov2001-l] duplication in action
>
>
> I thought this was a sterling example of the importance of
duplication:
Some might remember a handful of berkeley students "proving"
electronic voting irregularities in Florida:
http://ucdata.berkeley.edu/new_web/VOTE2004/election04_WP.pdf
It made a lot of press, and convinced a lot of leftist techno-wonks.
Two professors (Drexel and SUNY-Binghamton) decide to have a look at
the numbers themselves, noting:
"As professors who teach statistics and econometrics to undergraduate
and graduate
students, we are always on the lookout for good examples of "what not
to do" so that we may better instruct our students in the responsible
use of statistics. Therefore we have examined the HMCB study with a
critical eye. We conclude that the study is entirely without merit and
its"results" are meaningless."
The rather brutal smackdown, complete with an alternative model is
available here:
http://election04.ssrc.org/research/critique-of-hmcb.pdf
/\llan
Allan Friedman
Doctoral Student, Public Policy
Kennedy School of Government
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