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Data for Exercise 2.7
Yearsunspot
A data frame with 252 observations on the following 24 variables.
X1979
a numeric vector
X1980
X1981
X1982
X1983
X1984
X1985
X1986
X1987
X1988
X1989
X1990
X1991
X1992
X1993
X1994
X1995
X1996
X1997
X1998
X1999
X2000
SSN
year
# NOT RUN { str(Yearsunspot) attach(Yearsunspot) boxplot(SSN~year,main="Exercise 2.7",col="lightblue") detach(Yearsunspot) # }
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