summary.de-method function

Summary for Differential Evolution

Summary method for class de-class. methods

## S4 method for signature 'de'
summary(object, ...)

## S3 method for class 'summary.de'
print(x, digits = getOption("digits"), ...)

Arguments

• object: an object of class de-class.
• x: an object of class summary.de.
• digits: number of significant digits.
• ...: further arguments passed to or from other methods.

Returns

The summary function returns an object of class summary.de which can be printed by the corresponding print method. The function also returns invisibly a list with the information from the differential evolution search.

Author(s)

Luca Scrucca

See Also

de

Examples

f <- function(x) abs(x)+cos(x)
DE <- de(fitness = function(x) -f(x), 
         lower = -20, upper = 20, run = 50)
out <- summary(DE)
print(out)
str(out)