I am working with time series and I have encountered a problem with R not
recognizing a series properly. I can do the tests and fitting, but when I
want to decompose the series I got a message:
d<-decompose(data)
Error in decompose(dane) : time series has no or less than 2 periods
Maybe I have made a mistake in defining the TS? However, when I input
time(data), R correctly recognizes which value corresponds to which year.
I give the code for data formating below:
library(urca)
data(npext)
x<-npext[c("year","unemploy")] #Nelson & Plosser extended data set
x<-c(na.omit(npext$unemploy)) #getting rid of NA's for initial years from
the data set
data<-ts(x, start=1890, frequency=1)
Thanks.
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