Dear Sabina, If you carefully read the help page (always a good idea), examples show you that it is "object$cycle", not "object$Cycle". Also, you can use names, i.e. names(e.hp$).
HTH, Pascal On Sun, Mar 16, 2014 at 12:56 AM, Liana-Sabina Luncasu <lianasabinalunc...@gmail.com> wrote: > Dear all, > > I am working with some time series data and I applied an HP filter to it > using the following code: > > e.hp = hpfilter(empl) > > Now I am trying to access the last column (Cycle), that is, to save it in a > separate vector. I tried with both e.hp$Cycle and e.hp[ , 3] but none of > them works. I get the following: > >> e.hp$Cycle > NULL >> e.hp[,3] > Error in e.hp[, 3] : incorrect number of dimensions > > > Does anyone have any solution? > > Thank you in advance. > > Sabina > > P.S. Below I provide the result of the hpfilter > >> e.hp > > Title: > Hodrick-Prescott Filter > > Call: > hpfilter(x = empl) > > Method: > hpfilter > > Filter Type: > lambda > > Series: > empl > > empl Trend Cycle > 1980 Q1 929.6 929.9 -0.294800 > 1980 Q2 929.8 930.1 -0.255385 > 1980 Q3 930.3 930.2 0.105146 > 1980 Q4 931.4 930.4 1.061102 > 1981 Q1 932.7 930.5 2.142883 > 1981 Q2 933.6 930.7 2.879701 > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. -- Pascal Oettli Project Scientist JAMSTEC Yokohama, Japan ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.