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economic
2013 Jun 19
3
how to get growth rate of a (time series) data?
Hello all, now I'm trying to switch from Excel to R to deal with the data,
and as a newbie i got the problem as follows.
suppose I have a data named "test"
test<- data.frame(year=c(1996:2011),
Y=c(74163.6,81658.5,86531.6,91125.0,98749.0,109028.0,120475.6,136613.4,160956.6,187423.5,222712.5,266599.2,315974.6,348775.1,402816.5,465731.3))
in which Y means the GDP of a country
If i