Hi all,

I have updated the exact2x2 package. The update corrects an error that can sometimes occur in the confidence intervals when the number of counts are large and tsmethod="minlike". In addition to fixing the bug, the correction gives a much faster method for calculating the confidence interval.


The package gives exact confidence intervals that match the p-values for Fisher's exact test and Blaker's exact test as well as giving an exact version of McNemar's test. For a description see:

Fay (2010) R Journal 2(1):53-58.
http://journal.r-project.org/archive/2010-1/RJournal_2010-1.html

and

Fay (2010) Biostatistics 11(2): 373-374.
http://biostatistics.oxfordjournals.org/content/11/2/373



Mike
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Michael P. Fay, PhD
Mathematical Statistician
National Institute of Allergy and Infectious Diseases
Tel: 301-451-5124               Fax:301-480-0912
(U.S. postal mail address)
6700B Rockledge Drive MSC 7609
Bethesda, MD 20892-7609
(Overnight mail address)
6700-A Rockledge Drive, Room 5133
Bethesda, MD 20817
http://www3.niaid.nih.gov/about/organization/dcr/BRB/staff/michael.htm
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