I think if you attach the output file would make clear. I guess it is very
likely your merge has the problem, not the write.table. You may need "by"
parameter in merge based on the date. It also could be date value is converged
to numeric value, in this case you just need to convert it back.
--- On Tue, 5/24/11, Heiman, Thomas J. <thei...@mitre.org> wrote:
From: Heiman, Thomas J. <thei...@mitre.org>
Subject: [R] writing dates to a file
To: "R-help@r-project.org" <R-help@r-project.org>
Date: Tuesday, May 24, 2011, 2:34 PM
Hi,
I have attached the data files to this note. I use this code:
library(zoo)
z1 <- read.zoo("baltimorefludata.txt", format = "%m/%d/%Y", header = TRUE)
z2 <- read.zoo("baltimorew.txt", format = "%Y%m%d", header = TRUE)
z3<-merge(z1,z2)
write.table(z3, "fluweatherdata_baltimore2.txt", sep="\t")
R is writing the other data to the file but not the dates... Is there a way to
also write the dates to the file? Thank you!!
Sincerely,
tom
Thomas Heiman, PhD
Info Systems Eng, Sr
The MITRE Corporation | Center for Enterprise Modernization
Office: 703-983-2951 | thei...@mitre.org<mailto:thei...@mitre.org>
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