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.R
Wind
Temp
month
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
weekday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Ozone
Cleveland (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")