Nothing
spreadout<-function(x,mindist) {
if(sum(!is.na(x)) < 2) return(x)
xorder<-order(x)
goodx<-x[xorder][!is.na(x[xorder])]
gxlen<-length(goodx)
start<-end<-gxlen%/%2
# nicely spread groups of short intervals apart from their mean
while(start > 0) {
while(end < gxlen && goodx[end+1] - goodx[end] < mindist) end<-end+1
while(start > 1 && goodx[start] - goodx[start-1] < mindist) start<-start-1
if(start < end) {
nsqueezed<-1+end-start
newx<-sum(goodx[start:end])/nsqueezed -
mindist*(nsqueezed%/%2 - (nsqueezed/2 == nsqueezed%/%2) * 0.5)
for(stretch in start:end) {
goodx[stretch]<-newx
newx<-newx+mindist
}
}
start<-end<-start-1
}
start<-end<-length(goodx)%/%2+1
while(start < gxlen) {
while(start > 1 && goodx[start] - goodx[start-1] < mindist) start<-start-1
while(end < gxlen && goodx[end+1] - goodx[end] < mindist) end<-end+1
if(start < end) {
nsqueezed<-1+end-start
newx<-sum(goodx[start:end])/nsqueezed -
mindist*(nsqueezed%/%2 - (nsqueezed/2 == nsqueezed%/%2) * 0.5)
for(stretch in start:end) {
goodx[stretch]<-newx
newx<-newx+mindist
}
}
start<-end<-end+1
}
# force any remaining short intervals apart
if(any(diff(goodx) < mindist)) {
start<-gxlen%/%2
while(start > 1) {
if(goodx[start] - goodx[start-1] < mindist)
goodx[start-1]<-goodx[start]-mindist
start<-start-1
}
end<-gxlen%/%2
while(end < gxlen) {
if(goodx[end+1] - goodx[end] < mindist)
goodx[end+1]<-goodx[end]+mindist
end<-end+1
}
}
x[xorder][!is.na(x[xorder])]<-goodx
return(x)
}
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