air: Air quality data, rural background PM10 in Germany, daily averages 1998-2009
Description
Air quality data obtained from the airBase European air quality
data base. Daily averages for rural background stations in Germany,
1998-2009. In addition, NUTS1 regions (states, or Bundeslaender) for Germany to
illustrate spatial aggregation over irregular regions.
# NOT RUN {data(air)
rural = STFDF(stations, dates, data.frame(PM10 = as.vector(air)))
# how DE was created from DE_NUTS1:if (require(rgeos))
DE = gUnionCascaded(DE_NUTS1)
# }