From: jim holtman <jholtman_at_gmail.com>

Date: Sat, 14 Jun 2008 19:40:23 -0400

Date: Sat, 14 Jun 2008 19:40:23 -0400

Is this what you want:

*> t <- ts(data.frame(a = 10:20, b = 20:30, c = 30:40, d = 40:50))
*

> t1 <- t[, c('a', 'b')]

*> t2 <- t[, c('c', 'd')]
**>
**> colnames(t1)
*

[1] "a" "b"

*>
**> colnames(t2)
*

[1] "c" "d"

*>
**> x <- cbind(t1, t2)
**> colnames(x)
*

[1] "t1.a" "t1.b" "t2.c" "t2.d"

*> colnames(x) <- sub("^.*\\.", "", colnames(x))
**> x
*

Time Series:

Start = 1

End = 11

Frequency = 1

a b c d

1 10 20 30 40

2 11 21 31 41

3 12 22 32 42

4 13 23 33 43

5 14 24 34 44

6 15 25 35 45

7 16 26 36 46

8 17 27 37 47

On Sat, Jun 14, 2008 at 1:14 PM, <cmr.pent_at_gmail.com> wrote:

> I use R 2.7.0 on GNU/Linux. I have noticed a problem in cbind method

*> for multivariate time series (ts) objects. Consider the following
**> example:
**>
**>> t <- ts(data.frame(a = 10:20, b = 20:30, c = 30:40, d = 40:50))
**>> t1 <- t[, c('a', 'b')]
**>> t2 <- t[, c('c', 'd')]
**>>
**>> colnames(t1)
**> [1] "a" "b"
**>> colnames(t2)
**> [1] "c" "d"
**>> colnames(cbind(t1, t2))
**> [1] "t1.a" "t1.b" "t2.c" "t2.d"
**>>
**>
**> Although it seems to be the documented behavior, I think it would be
**> more consistent if the latter returned c("a", "b", "c", "d")
**> instead. Is there a nice way to achieve this? Thanks!
**>
**> Andrey Paramonov
**>
**> ______________________________________________
**> R-help_at_r-project.org mailing list
**> 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.
**>
*

-- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem you are trying to solve? ______________________________________________ R-help_at_r-project.org mailing list 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.Received on Sat 14 Jun 2008 - 23:42:48 GMT

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