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From |
Nick Winter <nwinter@virginia.edu> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Using the 2008 American National Election Study with Stata v.11 |

Date |
Thu, 15 Oct 2009 09:22:30 -0400 |

The ANES weights should be used as pweights.

- NW sjsamuels@gmail.com wrote:

It states that "comprehensive instructions will accompany the full release of the Panel Study Data." I'm not familiar with ANES, but neither the paper Bob found nor the user guide have anything about weights centered at zero. (The paper does recommend that weights be scaled so that they sum to 1.) In fact, weights<0 would be rejected by any survey program. -Steve On Thu, Oct 15, 2009 at 6:07 AM, Peter Wielhouwer <peter.wielhouwer@wmich.edu> wrote:Subject: Re: st: Using the 2008 American National Election Study with Stata v.11 Thanks, Richard. I've been looking through the SVY manual, but what the ANES dataset provides are individual weighting variables (post estimation weights centered on zero, as described in the paper you pointed me to. I agree that it would be nice for ANES to be more specific about how to use Stata well with the dataset. At 04:20 PM 10/14/2009, Peter Wielhouwer wrote:Is anyone familiar with using the 2008 NES with Stata? I have two specific questions: 1. Which weight command is most appropriate for the data? Based on the Stata UG, it seems that the -iweight- syntax is most appropriate, but is that correct?I am not familiar with the data set, but I would be amazed if iweights were the way to go. My guess is you want pweights. googling around found this recent paper: ftp://ftp.electionstudies.org/ftp/nes/bibliography/documents/nes012427.pdf If you google around some more though, maybe you can find something easier to wade through; it is nice when a data set explicitly tells you how to set the weights in Stata.2. In the ANES 2008 user guide, we are advised, "due to the complex sample design of the ANES, sampling errors and related statistics (including confidence intervals, p-values, t-tests, and all other tests of statistical significance) should not be calculated using methods intended for simple random samples." In light of this, which would be the appropriate statistics to use in Stata?I think the correct question is not what statistics should I use, but what statistical methods should I use to get the correct statistics. Since you have Stata 11, you should also have the SVY manual available in pdf form. Just click help/ PDF documentation. If bookmarks are open then on the left hand side you'll see the svy manual. After you've gone over the opening explanatory material, the section on svy estimation will highlight the many commands you have available. You'll probably want commands like svy: tabulation, svy: mean, svy: regress, svy: logit, etc. - ------------------------------------------- Richard Williams, Notre Dame Dept of Sociology ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

-- -------------------------------------------------------------- Nicholas Winter 434.924.6994 t Assistant Professor 434.924.3359 f Department of Politics nwinter@virginia.edu e University of Virginia faculty.virginia.edu/nwinter w PO Box 400787, 100 Cabell Hall Charlottesville, VA 22904 * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**Re: st: Using the 2008 American National Election Study with Stata v.11***From:*Austin Nichols <austinnichols@gmail.com>

**References**:**Re: Re: st: Using the 2008 American National Election Study with Stata v.11***From:*Peter Wielhouwer <peter.wielhouwer@wmich.edu>

**Re: Re: st: Using the 2008 American National Election Study with Stata v.11***From:*sjsamuels@gmail.com

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