On Thu, 13 Jan 2005 13:54:43 +0100 (CET) Vito Ricci wrote: > Hi, > > you can address to a single ts in a multivariate ts > object by namets[,index]. See this example:
Note, that index can also be a string and not only the index number. You wanted to have the analogue of z$energy which could also be z[, "energy"] hth, Z > > dati > X Y > 1 100 200 > 2 150 210 > 3 180 220 > 4 200 230 > 5 220 250 > > serie<-ts(dati,start=1999) > > serie > Time Series: > Start = 1999 > End = 2003 > Frequency = 1 > X Y > 1999 100 200 > 2000 150 210 > 2001 180 220 > 2002 200 230 > 2003 220 250 > > > serie[,1] ## first ts > Time Series: > Start = 1999 > End = 2003 > Frequency = 1 > [1] 100 150 180 200 220 > > serie[,2] ## second ts > Time Series: > Start = 1999 > End = 2003 > Frequency = 1 > [1] 200 210 220 230 250 > > Regards > Vito > > > you wrote: > > In a dataframe you call one of the variable (or the > column) connecting the > name of the column to the dataframe name by means of > the $ sign: > so z$energy is the column named energy in the > dataframe z. > > I don't know how to do the same with a multi-variable > time-series. I tried > both z.energy, z$energy to no avail. > > What's the right synthax? > > Ciao > Vittorio > > ===== > Diventare costruttori di soluzioni > Became solutions' constructors > > "The business of the statistician is to catalyze > the scientific learning process." > George E. P. Box > > Top 10 reasons to become a Statistician > > 1. Deviation is considered normal > 2. We feel complete and sufficient > 3. We are 'mean' lovers > 4. Statisticians do it discretely and continuously > 5. We are right 95% of the time > 6. We can legally comment on someone's posterior distribution > 7. We may not be normal, but we are transformable > 8. We never have to say we are certain > 9. We are honestly significantly different > 10. No one wants our jobs > > > Visitate il portale http://www.modugno.it/ > e in particolare la sezione su Palese > http://www.modugno.it/archivio/palese/ > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html