ex0323: Solar Radiation and Skin Cancer

In Sleuth3: Data Sets from Ramsey and Schafer's "Statistical Sleuth (3rd Ed)"

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

CancerRate

skin cancer rate per 100,000 people

SunspotActivity

a factor with levels "High" and "Low"

Source

Ramsey, F.L. and Schafer, D.W. (2013). The Statistical Sleuth: A Course in Methods of Data Analysis (3rd ed), Cengage Learning.

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)

Example output

'data.frame':	35 obs. of  3 variables:
 $ Year           : int  1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 ...
 $ CancerRate     : num  0.8 1.3 1.4 1.2 1.7 1.8 1.6 1.5 1.5 2 ...
 $ SunspotActivity: Factor w/ 2 levels "High","Low": 2 1 1 1 2 2 2 2 2 2 ...

Sleuth3 documentation built on May 2, 2019, 6:41 a.m.