marin {elec} | R Documentation |
Marin Measure B Reported Results
Description
These are the reported vote totals from the 2009 election in Marin, CA for Measure B.
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.
Format
A data frame with 544 observations on the following 5 variables.
- PID
Batch ID
- strata
There are two levels,
ST-IB
ST-VBM
for in-precinct and Vote-by-Mail.- tot.votes
total ballots cast in the batch.
- Yes
Number recorded for Yes
- No
Number recorded for No
Source
Marin, CA 2009 reported election results.
References
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.
Examples
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