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The p11.15 data frame has 9 rows and 2 columns.
p11.15
data(p11.15)
This data frame contains the following columns:
a numeric vector
Ryan (1997), Stefanski (1991)
data(p11.15) plot(p11.15) attach(p11.15) lines(lowess(x,y)) detach(p11.15)
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