[R] ts & daily timeseries
Prof Brian Ripley
ripley at stats.ox.ac.uk
Tue Jun 22 18:41:15 CEST 2004
would appear to be what you are looking for.
On Tue, 22 Jun 2004 v.demartino2 at virgilio.it wrote:
> I have defined a daily timeseries for the 365 days of 2003 issuing:
> myts = ts(dati[,2:10],frequency=365,)
> > myts
> Time Series:
> Start = c(1, 1)
> End = c(1, 365)
> Frequency = 365
> mytime = as.POSIXct(strptime(as.character(dati[,1]),format="%Y-%m-%d"))
> contains the dates from "2003-01-01" to "2003-12-31"
Why not use the Date class? However, if all you want is the character
representation of the dates you appear to have those in dati.
> How can I combine mytime and myts in order to list the timeseries according
> to the more natural
> 2003-01-01 xxxxx xxxxx xxxxx ......
> 2003-01-02 xxxxx xxxxx xxxxx ......
> 2003-12-31 xxxxx xxxxx xxxxx ......
What do you want the first column to be? Character strings? Dates? What
do you want to do with this?
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
More information about the R-help