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Update rwi.stats.running.R #34

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Update rwi.stats.running.R #34

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4 changes: 3 additions & 1 deletion R/rwi.stats.running.R
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,9 @@ rwi.stats.running <- function(rwi, ids=NULL, period=c("max", "common"),
stop("'window.length' is smaller than 'min.corr.overlap'")
}
}
tmp <- normalize1(rwi, n, prewhiten)
rwi.mean<-round(mean(unlist(rwi),na.rm=T))
if(rwi.mean==0){rwi<-rwi+100} #this is a check whether your dataset has been detrended using difference=T, thus having a grand mean of 0. If so, it needs to be transposed by an arbitrary positive number, otherwise normalize1() messes up the dataset and can divide a series by a slightly negative value.
tmp <- normalize1(rwi, n, prewhiten)
if(!all(tmp$idx.good)) {
warning("after prewhitening, 'rwi' contains column(s) without at least four observations",
call.=FALSE)
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