[R] how to make this time series data stationary ?
R. Michael Weylandt
michael.weylandt at gmail.com
Thu Mar 22 14:13:50 CET 2012
Please (!) go read a book on basic time series analysis instead of
just posting a question each time you see a new word.
On Thu, Mar 22, 2012 at 4:56 AM, sagarnikam123 <sagarnikam123 at gmail.com> wrote:
> i have below file as time series data
> i used autofit function from "itsmr" package
> ar(x = k$V1)
> Order selected 0 sigma^2 estimated as 0.2499
> Error in arima(x, c(p, 0, q)) : non-stationary AR part from CSS
> what is this CSS ?& hot to make it stationary
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