Nothing
editDB<-function(DB, w)
{
############## edit the data base by removing or selecting parts
NDB = DB
len1 = length(DB$yr)
lens = lapply(DB, length)
w2 = which(lens == len1)
for(i in 1:length(w2))
{
k = DB[[w2[i] ]]
NDB[[w2[i] ]] = k[w]
}
invisible(NDB)
}
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