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GA4StratificationP4 <-
function(dataName,numberOfStrata,sampleSize,iteration,GAgenerationSize,mutationRate)
{
dataName=data.frame(dataName)
dataName=data.frame(dataName[order(dataName[,1]),])
lengthData=nrow(dataName)
randomGeneration=array(0,dim=c(GAgenerationSize,lengthData+numberOfStrata))
nocrom=GAgenerationSize
fitp1=array(0,dim=c(1,nocrom))
fit=array(0,dim=c(nocrom,1))
N=means=s=n=vars=mas=NN=k=p=t=array(0,dim=c(nocrom,numberOfStrata))
dd=array(0,dim=c(nocrom,1))
randomNumbers=array(0,dim=c(GAgenerationSize,numberOfStrata-1))
samples=sumSamples=array(0,dim=c(GAgenerationSize,numberOfStrata))
aftermut=array(0,dim=c(GAgenerationSize,lengthData+numberOfStrata+1))
cumTotal=cumsum(dataName)
sumSquares=cumsum(dataName^2)
tableData=as.data.frame(table(dataName))
randomnumRange=cumsum(tableData[,2])
lengthRandomnum=length(randomnumRange)
for (i in 1:GAgenerationSize)
{
randomNumbers[i,]=randomnumGenerator(randomnumRange,lengthRandomnum,numberOfStrata-1)
samples[i,]=floor(runif(numberOfStrata,1,10))
sumSamples[i,]=sum(samples[i,])
}
samples=floor(samples/sumSamples*sampleSize)
son=array(lengthData,dim=c(GAgenerationSize,1))
indis=array(c(1:GAgenerationSize,randomNumbers,son),dim=c(GAgenerationSize,(numberOfStrata+1)))
for(i in 2:(numberOfStrata+1))
{
randomGeneration[indis[,c(1,i)]]=1
}
for ( i in 1:GAgenerationSize )
{
samples[i,numberOfStrata]=samples[i,numberOfStrata]+sampleSize-sum(samples[i,])
}
randomGeneration[,(lengthData+1):(lengthData+numberOfStrata)]=samples
bestValue=-99999999999999999999999999999999999999999999999999999999999999
for ( i in 1:iteration )
{
fitnessValueGeneration=GA4StratificationP4fit(randomGeneration,dataName,numberOfStrata,sampleSize,cumTotal,sumSquares,lengthData,dd,nocrom,fitp1,fit,N,means,s,n,vars,mas,NN,k,p,t)
if ( max(fitnessValueGeneration)>bestValue )
{
bestValue=max(fitnessValueGeneration)
bestGeneration=randomGeneration[max(which(fitnessValueGeneration==bestValue)),]
}
randomGeneration=GA4StratificationSelection(randomGeneration,fitnessValueGeneration)
randomGeneration=GA4StratificationP4x(randomGeneration,bestGeneration,dataName,numberOfStrata,sampleSize,fitnessValueGeneration,cumTotal,sumSquares,lengthData,dd,nocrom,fitp1,fit,N,means,s,n,vars,mas,NN,k,p,t)
randomGeneration=GA4StratificationP4m(randomGeneration,numberOfStrata,mutationRate,i)
fitnessValueGeneration=GA4StratificationP4fit(randomGeneration,dataName,numberOfStrata,sampleSize,cumTotal,sumSquares,lengthData,dd,nocrom,fitp1,fit,N,means,s,n,vars,mas,NN,k,p,t)
if ( max(fitnessValueGeneration)>bestValue )
{
bestValue=max(fitnessValueGeneration)
bestGeneration=randomGeneration[max(which(fitnessValueGeneration==bestValue)),]
} else
{
randomGeneration[sample(GAgenerationSize,1),]=bestGeneration
}
cat(i, " ",-bestValue,'\n')
flush.console()
Sys.sleep(1)
}
GA4StratificationP4fitt(bestGeneration,dataName,numberOfStrata,sampleSize,-bestValue,cumTotal,sumSquares)
}
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