caesarean {ISwR} | R Documentation |
The table caesar.shoe
contains the relation between caesarean
section and maternal shoe sizes (UK sizes!)
A matrix with two rows and six columns
D.G. Altman (1991), Practical Statistics for Medical Research, Table 10.1, Chapman & Hall.
data(caesarean) prop.trend.test(caesar.shoe["Yes",],margin.table(caesar.shoe,2))