Nothing
novelTest.extreme4nn <-
function(xdata,ydata,maxi=length(xdata)-1){
rx= rank(xdata,ties.method="random")
ry= rank(ydata,ties.method="random")
N = length(rx)
paths = sapply(1:maxi,generate.paths,rx,ry,N)
pvalues = sapply(1:maxi,function(i){
if(i == 1){
ps=P_ceq(i,paths[i,],N)
}else{
# ps=Pc_givena4nn(i-1,paths[i,],paths[i-1,],rowSums(apply(paths[(i-1):1,,drop=FALSE],1,`==`,paths[i,])),rowSums(apply(paths[(i-1):1,,drop=FALSE],1,`==`,paths[(i-1),])),N);
ps=Pc_givena4nn(i,paths[i,],paths[i-1,],rowSums(apply(paths[(i-1):1,,drop=FALSE],1,`==`,paths[i,])),rowSums(apply(paths[(i-1):1,,drop=FALSE],1,`==`,paths[(i-1),])),N);
ind1 = ps >= .5
ind2 = (paths[i,] - 1) >= paths[i-1,]
ind = ind1 & ind2
if(sum(ind)==1){
ps[ind] = 1-Pc_givena4nn(i-1,paths[i,ind]-1,paths[i-1,ind],sum(apply(paths[(i-1):1,ind,drop=FALSE],1,`==`,paths[i,ind]-1)),sum(apply(paths[(i-1):1,ind,drop=FALSE],1,`==`,paths[(i-1),ind])),N)
}else if(sum(ind)>1){
ps[ind] = 1-Pc_givena4nn(i-1,paths[i,ind]-1,paths[i-1,ind],rowSums(apply(paths[(i-1):1,ind,drop=FALSE],1,`==`,paths[i,ind]-1)),rowSums(apply(paths[(i-1):1,ind,drop=FALSE],1,`==`,paths[(i-1),ind])),N)
}
ps[ind1 & !ind2] = .5
}
return(ps)})
extremes = 2*pmin(pvalues,1-pvalues)
aggr = apply(extremes,2,min)
return(-2*sum(log(aggr)))
}
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