ex0323 {Sleuth2} | R Documentation |
Solar Radiation and Skin Cancer
Description
Data contains yearly skin cancer rates (per 100,000 people) in Connecticut from 1938 to 1972 with a code indicating those years that came two years after higher than average sunspot activity and those years that came two years after lower than average sunspot activity.
Usage
ex0323
Format
A data frame with 35 observations on the following 3 variables.
Year
year
Rate
skin cancer rate per 100,000 people
Sunspot
a factor with levels
"High"
and"Low"
Source
Ramsey, F.L. and Schafer, D.W. (2002). The Statistical Sleuth: A Course in Methods of Data Analysis (2nd ed), Duxbury.
References
Andrews, D.F. and Herzberg, A.M. (1985). Data: A Collection of Problems from many Fields for the Student and Research Worker, Springer-Verlag.
Examples
str(ex0323)
[Package Sleuth2 version 2.0-7 Index]