Smoking and Lung Cancer (III)

Number of smokers in a case-control study.

Usage

data(Smoking_Wassink1945)

Format

The format is: table [1:4, 1:2] 6 18 36 74 19 36 25 20 - attr(*, "dimnames")=List of 2 ..$ Smoking : chr [1:4] "Nonsmoker" "Moderate smoker" "Heavy smoker" "Very heavy smoker" ..$ Diagnosis: chr [1:2] "Lung cancer" "Healthy control"

Source

W. F. Wassink (1945), Ontstaansvoorwaarden voor Longkanker, Nederlands Tijdschrift voor Geneeskunde, 92, 3732–3747

References

Richard Doll (1998), Uncovering the effects of smoking: historical perspective. Statistical Methods in Medical Research, 7(87), 87-117