621 people born with Spina Bifida (a congenital disorder) in the state
of New York between 1969 and 1974 are observed by three sources:
birth certificates (S1); death certificates (S2); and medical
rehabilitation lists (S3). The people are also cross-classified
according to their ethnicity (eth; 3 levels).
data(spina)A "data.frame" with 24 observations on the following 5 variables.
yCounts in each cell of the table with NAs for the cells corresponding to not being observed by any of the sources.
S1A factor with levels un obs indicating whether the birth certificate source observed the person.
S2A factor with levels un obs indicating whether the death certificate source observed the person.
S3A factor with levels un obs indicating whether the medical rehabilitation source observed the person.
ethA factor with levels afro-american caucasian codeother indicating the ethnicity of the person (afro-american = Afro-American,
causcasian = Caucasian, other = Other).
See Madigan & York (1997), and the references therin, for more details on the study.
For details on the function bict applied to this data, see Overstall & King (2014).
Overstall, A.M. & King, R. (2014) conting: An R package for Bayesian analysis of complete and incomplete contingency tables. Journal of Statistical Software, 58 (7), 1--27. http://www.jstatsoft.org/v58/i07/
# NOT RUN {
data(spina)
summary(spina)
# }
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