These are the reported vote totals from the 2009 election in Marin, CA for Measure B.
A data frame with 544 observations on the following 5 variables.
There are two levels,
ST-VBM for in-precinct and Vote-by-Mail.
total ballots cast in the batch.
Number recorded for Yes
Number recorded for No
Note the vote totals for the VBM strata are made up. The batches are the “Decks”, which could not be individually tallied with ease. The work-around was complex. See the references, below.
Marin, CA 2009 reported election results.
See J. L. Hall, L. W. Miratrix, P. B. Stark, M. Briones, E. Ginnold, F. Oakley, M. Peaden, G. Pellerin, T. Stanionis, and T. Webber. Implementing risk-limiting audits in california. USENIX EVT/WOTE in press, July 2009.
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data(marin) marin = elec.data( marin, C.names=c("Yes","No") ) # Hand fixing error bound due to unknown # vote totals in the VBM decks marin$V$e.max = maximumMarginBound(marin) sum( marin$V$e.max ) # 7.128 vbm = marin$V$strata=="ST-VBM" marin$V[ vbm, "e.max" ] = 2 * marin$V[ vbm, "tot.votes" ] / marin$margin sum( marin$V$e.max ) # 9.782
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