Hi R users,

I would like to add year information to each point in a scatter plot. The
following
example shows what i mean:

df=data.frame(year=c(2001,2002,2003),a=c(8,9,7),b=c(100,90,95))
df
plot(b~a,data=df)

Now, I would like to see which point belongs to 2001, 2002 and 2003 in the
above
graphic.

Thank you very much,
ozan

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