[R] FW: Time Series

Eric Berger ericjberger at gmail.com
Tue Nov 7 09:08:02 CET 2017


Following Erin's pointer:

library(zoo)
times     <- seq(from=as.POSIXct("2015-12-18 00:00:00"),
to=as.POSIXct("2017-10-24 23:00:00"), by="hour")
mydata <- rnorm(length(times))
tseri      <- zoo( x=mydata, order.by=times )

HTH,
Eric


On Tue, Nov 7, 2017 at 9:59 AM, Erin Hodgess <erinm.hodgess at gmail.com>
wrote:

> Hello!
>
> What is the error message, please?
>
> At first glance, you are using the "ts" function.  That doesn't work for
> hourly frequency.
>
> You may want to create a zoo object.
>
> This is Round One.
>
> Sincerely,
> Erin
>
>
> On Tue, Nov 7, 2017 at 1:46 AM, Emre Karagülle <karagullemre at gmail.com>
> wrote:
>
> >
> > Hi,
> > I would like to ask a question about time series.
> > I am trying to convert my data into time series data.
> > I have hourly data from “2015-12-18 00:00” to “2017-10-24 23:00”
> > I am trying the following codes but they are not working.
> > Could you help me out?
> >
> > tseri <- ts(data ,seq(from=as.POSIXct("2015-12-18 00:00:00"),
> > to=as.POSIXct("2017-10-24 23:00:00"), by="hour"))
> >
> > tseri <- ts(data ,seq(from=as.Date("2015-12-18 00:00:00"),
> > to=as.Date("2017-10-24 23:00:00"), by="hour"))
> >
> >
> > Thank you
> >
> > --
> > Emre
> >
> >
> >
> >         [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help at 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.
>
>
>
>
> --
> Erin Hodgess
> Associate Professor
> Department of Mathematical and Statistics
> University of Houston - Downtown
> mailto: erinm.hodgess at gmail.com
>
>         [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help at 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.
>

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