| AirQuality {bestglm} | R Documentation |
This dataset was derived from the R built-in dataset `airquality` by adding date information and deleting all missing values. This dataset is referred to as `environmental` in Cleveland (1993).
data(AirQuality)
A data frame with 111 observations on the following 6 variables.
Solar.RWindTempmonthMay Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar AprweekdaySunday Monday Tuesday Wednesday Thursday Friday SaturdayOzoneCleveland (1993, Chapter 5) presents an insightful analysis using co-plots and the scatterplot matrix. Several interesting interactions are noted. For a fixed 'Wind`, the effect of 'Solar.R' changes as 'Temp' increases. And for a fixed 'Temp', as 'Wind' decreases, the effect of 'Solar.R' is less.
Cleveland, W.S. (1993). Visualizing Data.
data(AirQuality) #Example 1. Find best model bestglm(AirQuality, IC="BIC")