[R] Multiple time series and their names
David Stoffer
dsstoffer at gmail.com
Sat Oct 3 05:15:57 CEST 2009
Suppose I have multiple time series with names for each one, for example,
x <- ts(matrix(rnorm(30,0,1),10,3), names=c("Juan", "Tuey", "Trey"),
frequency=4)
So now, as I start to explore these series, if I do everything at once, the
names
stay attached to the series. For example,
plot(x) # gives a plot of the series with their names
acf(x) # gives the ACFs & CCFs with names attached
But if I want to explore what's going on with Juan, from what I can gather,
I have to do something like this
plot(x[,1])
(or acf(x[,1])... or similar things) but this doesn't keep the name Juan.
My question: Is there a way, without making a data frame [which seems to
destroy the
time series attributes(??) - this seems to be the only answer I can find on
Rhelp]
that allows me to keep track of the names? That way, for example, I don't
have to
remember that the 18th series is Martha.
x$Juan, x$Tuey, x$Trey, would be nice ... but that doesn't work.
Thanks in advance.
-----
The power of accurate observation is commonly called cynicism
by those who have not got it. George Bernard Shaw
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