plot.de-method {GA} | R Documentation |
Plot of Differential Evolution search path
Description
The plot
method for de-class
objects gives a plot
of best and average fitness values found during the iterations of the
DE search.
Usage
## S4 method for signature 'de'
plot(x, y, ylim, cex.points = 0.7,
col = c("green3", "dodgerblue3", adjustcolor("green3", alpha.f = 0.1)),
pch = c(16, 1), lty = c(1,2), legend = TRUE, grid = graphics::grid, ...)
Arguments
x |
An object of class |
y |
Not used. |
ylim |
A vector of two values specifying the limits on the y-axis. |
cex.points |
The magnification to be used for points. |
col |
The colours to be used for best and average fitness values. |
pch |
The type of points to be used for best and average fitness values. |
lty |
The type of lines to be used for best and average fitness values. |
legend |
A logical specifying if a legend should be included. |
grid |
A function for grid drawing of NULL to avoid drawing one. |
... |
Further arguments, currently not used. |
Details
Plot best and average fitness values at each iteration of DE search.
Value
The method invisibly return a data.frame
with the iterations and summary statistics for the fitness function evaluated at each iteration.
Author(s)
Luca Scrucca
See Also
Examples
# See examples in help(de)