[R] ?plot: Add an example on how to plot functions to the help of `plot`.
paulepanter at users.sourceforge.net
Wed Jul 27 21:30:52 CEST 2011
Dear R folks,
currently the section Examples contains the following as an example on
how to plot a “normal” function.
plot(sin, -pi, 2*pi)
Since it does not contain the argument for the function it would be
helpful to add for example the following.
## plots the graph of f(x) = x**2 with f(x) ∈ [1, 10]
curve(x**2, 1, 10)
## plots the graph of f(x) = x**3 with f(x) ∈ [1, 10] and adds it to an already existing plot
curve(x**3, 1, 10, add=T)
## plots the graph of f(x) = x**4 connected by lines and adds it to an already existing plot
lines(x, x**4, add=T)
`curve` and `lines` could be also added to the section See Also.
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