Format
The format is:
table [1:6, 1:2, 1:2] 2 33 250 196 136 32 27 55 293 190 ...
- attr(*, "dimnames")=List of 3
..$ Smoking : chr [1:6] "Nonsmoker" "1-" "5-" "15-" ...
..$ Diagnosis: chr [1:2] "Lung cancer" "Other"
..$ Sex : chr [1:2] "Male" "Female"Source
Richard Doll and A. Bradford Hill (1950), Smoking and Carcinoma of the Lung,
British Medical Journal, 2, 739-748