This dataset was taken from the list of OpenIntro dataset files found at https://www.openintro.org/data/.
OpenIntro features a number of free books that can be used in high school and AP statistics courses. The license on these datasets is currently unknown. You can find out more about OpenIntro at https://www.openintro.org.
A study in 1994 examined 491 dogs that had developed cancer and 945 dogs asa control group to determine whether there is an increased risk of cancer indogs that are exposed to the herbicide 2,4-dichlorophenoxyacetic acid(2,4-D).
- order - a factor with levels 2,4-D and no 2,4-D
- response - a factor with levels cancer and no cancer
Hayes HM, Tarone RE, Cantor KP, Jessen CR, McCurnin DM, andRichardson RC. 1991. Case- Control Study of Canine Malignant Lymphoma:Positive Association With Dog Owner's Use of 2, 4- DichlorophenoxyaceticAcid Herbicides. Journal of the National Cancer Institute 83(17):1226-1231.
Taken from: https://www.openintro.org/data/index.php?data=cancer_in_dogs.