quadline: Quadratic Overlay
In MPV: Data Sets from Montgomery, Peck and Vining
quadline R Documentation
Quadratic Overlay
Description
Overlays a quadratic curve to a fitted quadratic model.
Usage
quadline(lm.obj, ...)
Arguments
lm.obj
A lm object (a quadratic fit)
...
Other arguments to the lines function; e.g. col
Value
The function superimposes a quadratic curve onto an existing scatterplot.
Author(s)
W.J. Braun
See Also
lm
Examples
data(p4.18)
attach(p4.18)
y.lm <- lm(y ~ x1 + I(x1^2))
plot(x1, y)
quadline(y.lm)
detach(p4.18)
MPV documentation built on Sept. 8, 2023, 5:44 p.m.
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| quadline | R Documentation |
Quadratic Overlay
Description
Overlays a quadratic curve to a fitted quadratic model.
Usage
quadline(lm.obj, ...)
Arguments
lm.obj |
A |
... |
Other arguments to the |
Value
The function superimposes a quadratic curve onto an existing scatterplot.
Author(s)
W.J. Braun
See Also
lm
Examples
data(p4.18)
attach(p4.18)
y.lm <- lm(y ~ x1 + I(x1^2))
plot(x1, y)
quadline(y.lm)
detach(p4.18)
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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