You have to think about if week i in the database means week i-1 in R,
perhaps?
Uwe Ligges
On 13.05.2011 10:47, Assu wrote:
Thanks Uwe,
it works!
I just have a problem at week 53 which gives me an NA. I guess, this week 53
has to do with the data type set at the database design and collection of
data. Depends on the week/year kind of counting.
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