| mammoexp | R Documentation | 
Data from a questionaire on the benefits of mammography.
data(mammoexp)
A data frame with 412 observations on the following 6 variables.
Mammograph experience, an ordered factor with 
levels Never < Within a Year < Over a Year
Agreement with the statement: 
‘You do not need a mamogram unless you develop symptoms.’ 
A factor with levels Strongly Agree, Agree,
Disagree and Strongly Disagree
Perceived benefit of mammography, the sum of five scaled responses, each on a four point scale. A low value is indicative of a woman with strong agreement with the benefits of mammography.
 Mother or Sister with a history 
of breast cancer; a factor with levels No and
Yes.
Answers to the question: 
‘Has anyone taught you how to examine your own breasts?’
A factor with levels No and Yes. 
Answers to the question: 
'How likely is it that a mammogram
could find a new case of breast cancer?'
An ordered factor with levels Not likely < 
Somewhat likely < Very likely.
Hosmer and Lemeshow (2000). Applied Logistic Regression, 2nd edition. John Wiley & Sons Inc., New York. Section 8.1.2, page 264.
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