On Fri, 7 Apr 2006 16:09:53 +0200 Brandt, T. (Tobias) wrote:
Hi Is there a reason why as.matrix.zoo doesn't set the rownames to the index like as.data.frame.zoo does?
Yes, oversight, I think ;-) Added to the devel-version of zoo. I'll try to get it out to CRAN in the next days. Z
Thanks Tobias
library(zoo)
x.Date <- as.Date("2003-02-01") + c(1, 3, 7, 9, 14) - 1
x <- zoo(matrix(1:10, nc=2), x.Date)
colnames(x) <- c('A','B')
print(x)
A B 2003-02-01 1 6 2003-02-03 2 7 2003-02-07 3 8 2003-02-09 4 9 2003-02-14 5 10
as.data.frame(x)
A B 2003-02-01 1 6 2003-02-03 2 7 2003-02-07 3 8 2003-02-09 4 9 2003-02-14 5 10
as.matrix(x)
A B [1,] 1 6 [2,] 2 7 [3,] 3 8 [4,] 4 9 [5,] 5 10
R.version
_ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor 2.0 year 2005 month 10 day 06 svn rev 35749 language R
library(help=zoo)
Information on package 'zoo'
Description:
Package: zoo
Version: 1.0-2
Date: 2005-09-07
Title: Z's ordered observations
Author: Achim Zeileis, Gabor Grothendieck
Maintainer: Achim Zeileis <Achim.Zeileis at R-project.org
<mailto:Achim.Zeileis at R-project.org> >
Description: An S3 class with methods for totally ordered indexed
observations. It is particularly
aimed at irregular time series of numeric
vectors/matrices and factors. zoo's key
design goals are independence of a particular
index/date/time class and consistency
with with ts and base R by providing methods to extend
standard generics.
Depends: R (>= 2.1.0)
Suggests: chron, fCalendar, its, tseries, strucchange, DAAG
License: GPL
Packaged: Thu Sep 8 13:07:59 2005; zeileis
Built: R 2.1.1; ; 2005-09-09 12:21:08; windows
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