Air Pollution | R Documentation |
Deaths in London from 1st-15th Dec 1952
data(SO2)
A data frame with 15 observations on the following 4 variables.
day
a numeric vector: the day in Dec 1952
deaths
a numeric vector: number of deaths
smoke
a numeric vector: atmospheric smoke (mg/cu.m)
SO2
a numeric vector: atmospheric sulphur dioxide (parts/million)
from John F. Osborn, Statistical Exercises in Medical Research, Blackwell 1979
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