adana (version 1.1.0)

sellrs3: Linear Ranking Selection 3

Description

The LRS operator selects through probabilities obtained using ordered numbers according to their fitness values. In this algorithm, the selection pressure can be adjusted with the s parameter.

Usage

sellrs3(fitvals, ns, sels, ...)

Arguments

fitvals

Vector of fitness values belonging to individuals

ns

Number of individuals to be selected

sels

Selection pressure, (1.0 <= sels <= 2.0)

…

Further arguments passed to or from other methods.

Value

The indices of randomly selected individuals are returned.

See Also

select, selrand, selrswrp, selrws, selrws2, selrss, selsus, seldet, selwscale, selsscale, selsscale2, sellscale, selrscale, selrscale2, selpscale, selescale, seltour, seltour2, selboltour, sellrs, sellrs2

Examples

# NOT RUN {
fitvals = c(6.1, 3.5, 6.2, 4.4, 5.2)
cnames = paste0("C",1:length(fitvals)) 
matpool = sellrs3(fitvals)
cat(cnames[matpool],"\n")
matpool = sellrs3(fitvals, sels=2)
cat(cnames[matpool],"\n")
# }