[R] how to make this time series data stationary ?

sagarnikam123 sagarnikam123 at gmail.com
Thu Mar 22 09:56:39 CET 2012

i have below file as time series data
i used autofit function from "itsmr" package

> ar(k$V1)
ar(x = k$V1)
Order selected 0  sigma^2 estimated as  0.2499

> autofit(k$V1)
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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