Description Usage Arguments Details See Also Examples
Plot the fitted data set and linear decision boundary.
1 2 |
x |
object of class |
fitdb |
logical. If |
initdb |
logical. If |
xlim |
the x limits of the plot |
ylim |
the y limits of the plot |
bg |
the background color to be used for points. Default is |
pch |
the symbols to be used as points. Default is |
... |
further arguments. |
This function produces a scatter plot of data matrix in the x
and (optionally) decision boundary specified within (i.e., x$par
and/or x$initpar
).
The look of the plot differs depending on the dimension of the model. If the dimension is 1, the model matrix is plotted on the y-axis, and category vector (as in x$category
) is plotted on the x axis. If the dimension is 2, scatter plot of the model matrix is plotted. If the dimension is 3, plot3d.glc
is called to create a 3D scatter plot. If the dimension is greater than 3, an error message will be returned.
1 2 3 4 5 6 7 8 9 10 | data(subjdemo_2d)
fit.2dl <- glc(response ~ x + y, data=subjdemo_2d,
category=subjdemo_2d$category, zlimit=7)
plot(fit.2dl)
#if one wants to plot decision bounds in
# colors different from the defaults
plot(fit.2dl, fitdb=FALSE)
abline(coef=coef(fit.2dl$par), col="orange")
abline(coef=coef(fit.2dl$initpar), col="purple")
|
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