try: as.POSIXct(datestr, format="%y-%m-%d")
for the first timeseries... -c On 5/20/2010 10:48 AM, Research wrote:
Hello, I have a zoo time series object (say a) with the following time stamp/format [1] "1950-01-03 GMT" "1950-01-04 GMT" "1950-01-05 GMT" "1950-01-06 GMT" [5] "1950-01-09 GMT" "1950-01-10 GMT" and another (say b) with [1] "1950-01-05" "1950-01-06" "1950-01-09" "1950-01-10" "1950-01-11" [6] "1950-01-12" I want to merge these series but when I try: > head(merge(a, b )) a b 1950-01-03 02:00:00 16.66 NA 1950-01-04 02:00:00 16.85 NA 1950-01-05 02:00:00 16.93 NA 1950-01-06 02:00:00 16.98 NA 1950-01-09 02:00:00 17.08 NA 1950-01-10 02:00:00 17.03 NA Warning message: In merge.zoo(a, b) : Index vectors are of different classes: POSIXt Date > Anybody can help? I tried as.POSIXct(a,tz="GMT") but it doesn't seem to work.... Many thanks in advance! Costas _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor 10.1 year 2009 month 12 day 14 svn rev 50720 language R version.string R version 2.10.1 (2009-12-14) > ______________________________________________ R-help@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.
______________________________________________ R-help@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.