Description
Ozone concentration at Upland, CA.
The ozone data frame has 80 rows and 9 columns.
Format
This data frame contains the following columns:
- x1
- a numeric vector
- x2
- a numeric vector
- x3
- a numeric vector
- x4
- a numeric vector
- x5
- a numeric vector
- x6
- a numeric vector
- x7
- a numeric vector
- x8
- a numeric vector
- y
- Ozone concentration (ppm)
References
Atkinson, A.C. and Riani, M. (2000), Robust Diagnostic Regression Analysis, First Edition. New York: Springer, Table A.7