2
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Say I have data

d <- .4

series <- 100-0:6

fd_data <-  diffseries(series, d)

fd_data:

3.000000  0.800000 -0.160000 -0.832000 -1.372800 -1.837056 -2.250394

[How] Is it possible to get back to the original values?

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3
  • $\begingroup$ This looks useful possibly. stats.stackexchange.com/questions/404475/… $\endgroup$
    – mlofton
    Nov 8, 2020 at 17:51
  • $\begingroup$ I saw that. That is standard arima, not arfima from what I can tell. $\endgroup$ Nov 8, 2020 at 17:52
  • $\begingroup$ Hi: Yeah. Sorry. I just went by the title which I guess is wrong. $\endgroup$
    – mlofton
    Nov 8, 2020 at 22:41

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