All you need is predict(fit, data.frame(x)) or if you had started with a data frame:
xy <- data.frame(x, y) fit <- lm(y~x, xy) predict(fit, xy) David Professor Emeritus of Anthropology Texas A&M University College Station, TX On Fri, Nov 19, 2021 at 8:45 PM Rolf Turner <r.tur...@auckland.ac.nz> wrote: > > On Fri, 19 Nov 2021 18:35:23 -0800 Bert Gunter <bgunter.4...@gmail.com> > wrote: > ?predict.lm says: > > "predict.lm produces predicted values, > obtained by evaluating the > regression function in the frame newdata (which > defaults ZjQcmQRYFpfptBannerStart > This Message Is From an External Sender > This message came from outside your organization. > ZjQcmQRYFpfptBannerEnd > > On Fri, 19 Nov 2021 18:35:23 -0800 > Bert Gunter <bgunter.4...@gmail.com> wrote: > > > ?predict.lm says: > > > > "predict.lm produces predicted values, obtained by evaluating the > > regression function in the frame newdata (which defaults to > > model.frame(object)). " > > > > model.frame(fit) is: > > 1 1.37095845 -0.30663859 > > 2 -0.56469817 -1.78130843 > > 4 0.63286260 1.21467470 > > 6 -0.10612452 -0.43046913 > > 7 1.51152200 -0.25726938 > > 8 -0.09465904 -1.76316309 > > 9 2.01842371 0.46009735 > > 10 -0.06271410 -0.63999488 > > 11 1.30486965 0.45545012 > > 12 2.28664539 0.70483734 > > 13 -1.38886070 1.03510352 > > 16 0.63595040 -1.71700868 > > 17 -0.28425292 -0.78445901 > > 18 -2.65645542 -0.85090759 > > 19 -2.44046693 -2.41420765 > > 20 1.32011335 0.03612261 > > > > i.e. only the rows that are used to fit the model are present. > > Thanks Bert. > > cheers, > > Rolf > > -- > Honorary Research Fellow > Department of Statistics > University of Auckland > Phone: +64-9-373-7599 ext. 88276 > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://urldefense.com/v3/__https://stat.ethz.ch/mailman/listinfo/r-help__;!!KwNVnqRv!R8gcoKKn3_N6bslUa-yWNuKT1RXSxRK4elKMjRMNiG5UMpKepjljcSmRwlnuGig$ > PLEASE do read the posting guide > https://urldefense.com/v3/__http://www.R-project.org/posting-guide.html__;!!KwNVnqRv!R8gcoKKn3_N6bslUa-yWNuKT1RXSxRK4elKMjRMNiG5UMpKepjljcSmRToGDBWQ$ > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
