Hi all,
I am trying to combine a single time series with a multivariate ts using
ts.intersect(). However, depending on the month, the function may or may not
work. Is this a bug or something I missed? Thank you for the help.
Edwin Sun
================> # Example 1: work well
> a2 <- ts(data = c(10, 20), start = c(2009, 1), frequency = 12); a2
Jan Feb
2009 10 20
> a3 <- ts(data = matrix(data = 4:6, nrow = 1), start = c(2009, 2),
+ frequency = 12); a3
Series 1 Series 2 Series 3
Feb 2009 4 5 6
> aa <- ts.intersect(a2, a3); aa
a2 a3.Series 1 a3.Series 2 a3.Series 3
Feb 2009 20 4 5 6
> # Example 2: does not work
> b2 <- ts(data = c(10, 20), start = c(2009, 8), frequency = 12); b2
Aug Sep
2009 10 20
> b3 <- ts(data = matrix(data = 4:6, nrow = 1), start = c(2009, 9),
+ frequency = 12); b3
Series 1 Series 2 Series 3
Sep 2009 4 5 6
> bb <- ts.intersect(b2, b3); bb
Warning message:
In .cbind.ts(list(...), .makeNamesTs(...), dframe = dframe, union = FALSE) :
non-intersecting series
NULL
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