Description Usage Format Source References Examples
Daily maximum ozone concertrations at Stamford, Connecticut and Yonkers, New York, during the period 1 May 1974 to 30 September 1974.
1 |
A data frame with 136 observations on the following 2 variables:
days
denotes which day observation occured on
ozone
ozone in parts per billion
Chambers, J. M. et al. Graphical Methods for Data Analysis. p346
Chambers, J. M. et al. (1983). Graphical Methods for Data Analysis. Duxbury Press: Boston.
1 2 3 4 | data(stamford.df)
plot(stamford.df$days, stamford.df$ozone, xlab="Days", ylab="Ozone")
loess.stuff=loess(ozone~days, data=stamford.df, span=0.75)
lines(loess.stuff$x, loess.stuff$fitted)
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Loading required package: s20x
Loading required package: leaps
Loading required package: rgl
Loading required package: lattice
Warning messages:
1: In rgl.init(initValue, onlyNULL) : RGL: unable to open X11 display
2: 'rgl_init' failed, running with rgl.useNULL = TRUE
3: .onUnload failed in unloadNamespace() for 'rgl', details:
call: fun(...)
error: object 'rgl_quit' not found
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