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.
An experiment where 89,835 women were randomized to either get a mammogramor a non-mammogram breast screening. The response measured was whether theyhad died from breast cancer within 25 years.
- treatment - a factor with levels controlmammogram
- breast_cancer_death - a factor with levels noyes
Miller AB. 2014. Twenty five year follow-up for breast cancerincidence and mortality of the Canadian National Breast Screening Study:randomised screening trial. BMJ 2014;348:g366.
Taken from: https://www.openintro.org/data/index.php?data=mammogram.