Documentation for methods for class frfit
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Output from a call to
Label for the x-axis.
Label for the y-axis.
A logical. Should the line be drawn to the origin? See Details.
Other items passed to underlying functions.
This documents standard methods for FRAIR objects of class
frfit. However, because standard naming conventions have been used, some undocumented utility functions might also work (e.g.
lines only adds lines to an existing plot, so an active graphics device needs to be present.
lines draws the curve for the fitted response evaluated at values:
seq(from=min(x$x), to=max(x$x), length.out = 50) or
seq(from=0, to=max(x$x), length.out = 50) if
tozero is TRUE.
If the supplied function is undefined at zero (and
tozero is TRUE), then lines will plot lines to a small, non-zero number (1e-04) instead (with a warning). Clearly the intention here is to provide a nice-looking representation of the fitted curve and it is up to the user to determine why their desired curve is undefined at zero.
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