ex0323: Solar Radiation and Skin Cancer

Description Usage Format Source References Examples

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

1

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

1


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