similar to: Rep command

Can anyone please shed any light on why R DateTimeClasses give weird times for when daylight saving time information changes, and which aren't consistent with the OS? Example: Expected result: in New Zealand DST stopped (NZDT -> NZST) at 03:00 NZDT on 2010-04-04, as confirmed by the OS time zone info (OS X 10.8.2): zdump -v /etc/localtime /etc/localtime Sat Apr 3 13:59:59 2010 UTC

At one time (version 1.7), the code below used to work for converting and extracting based on the Date Time. In version 1.8.1, something changed I know, but I cannot for the life of me figure out what... Data: UserName,RequestDate,PO,OrderDate,ExpDelivDate,Vendor,Total "Woody, Jim",12/19/2002,AP15063,1/7/2003,2/10/2003,Ames ,8570 "Harrold,

Hi, I have a whole bunch of data, which looks like: 15/03/2003 10:20 1 15/03/2003 10:21 0 15/03/2003 12:02 0 16/03/2003 06:10 0 16/03/2003 06:20 0.5 16/03/2003 06:30 0 16/03/2003 06:40 0 16/03/2003 06:50 0 18/03/2003 20:10 0.5 etc. (times given on a 24 hour clock) and goes on for years. I have some code:

Thanks for the help on the translucent dots. What would be the best method for creating a map of the facility? I looked into map* in the libraries and didn't find anything on creating the maps, just using them. Thanks again... Shawn Way, PE Engineering Manager sway at tanox.com -----Original Message----- From: Prof Brian Ripley [mailto:ripley at stats.ox.ac.uk] Sent: Thursday, October

I'm using the current version of xtable for 1.9.0 and I have an interesting error: Error in match.names(clabs, names(xi)) : names don't match previous names: F value, Pr(>F) In addition: Warning message: longer object length is not a multiple of shorter object length in: clabs == nmi This is produced in the following manner: >data.trans <-

I am analysing some data collected over a number of months from Allentown, PA, which is just north of Philadelphia. I am using as.POSIXct for dates and times, and I need to get the timezone specification correct. Going on the documentation for DateTimeClasses, I believe one way to specify the correct time zone is tz="EST5EDT" I would be grateful for any advice on this. I ask

Is there a reason that the bottom axis changes color when POSIX data is used in plot function? For example: > timedata <- c("2/3/2003","3/4/2003","5/4/2003") > timedata2 <- strptime(timedata,format="%m/%d/%Y") > numdata <- c(2,3,4) > plot(as.POSIXct(timedata2),numdata,col="red",type="o") As compared to: >

I am a beginner in R with a background in SAS. Are there built-in R methods of reading dates for calculating elapsed days between two calendar dates? If so, are there any examples I can browse? Thanks in anticipation. John Byrne. Lecturer in Information Systems. Australian Catholic University.

Has anyone found a method for creating error bars in lattice plots? ________________________________ "Policies are many, Principles are few, Policies will change, Principles never do." -John C. Maxwell ________________________________ Shawn Way, PE Tanox, Inc. Engineering Manager 10301 Stella Link sway at tanox.com Houston, TX 77025 ________________________________ Note:

I have two questions: 1. I've tried to use the lattice package with the development version of R (1.5.0), windows 2000, and it consistantly crashes RGUI and Rterm, on two seperate installations... 2. The real question... Is it possible to change the barchart horizontal bars on lattice to give vertical bars? If so, could you please give me a hint on how to do so? Thanks, Shawn Way

I thought I would take a look at the StatDataML package for some work I'm doing, but I receive the following error when starting: > version _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor 0.1 year 2004 month 11

I'm trying to determine the lack of fit for regression on the following: data <- data.frame(ref=c(0,50,100,0,50,100), actual=c(.01,50.9,100.2,.02,49.9,100.1), level=gl(3,1)) fit <- lm(actual~ref,data) fit.aov <- aov(actual~ref+Error(level),data) According to the information I have, the lack of fit for this regression is the

Times from seq.POSIXt come out wrong in AEST timezone around Feb 29 every leap year before 1970 (on Windows XP). According to help(DateTimeClasses), this is handled by "our own C code". > x <- as.POSIXct("1968-02-27") # tz="AEST" > x.gmt <- as.POSIXct("1968-02-27", tz="GMT") > data.frame( GMT=seq(x.gmt, by="day",

I'm looking for design and hmisc version 2.0 for R 1.8 for windows. I've found design 2.0 in the downloads for R1.7 but not hmisc. I've also checked Dr. Harrell's site and it only goes to 1.6 for windows. Any thoughts? Shawn Way

At our facility we have multiple sample points that are sampled on any given day. What I would like to do is create a map of the facility with the sample points (and point labels) and when we have out of specification results, place a transparent dot over the area on the map. As the number of OOS results builds up, I envision the dot getting darker. Are there any packages out there that can aid

Running under Windows XP 64 bit, as.POSIXlt()/as.POSIXct() seem to think that US time zones (EST5EDT, MST7MDT) switched from daylight savings back to standard time on Oct 28, 2007, whereas the switch is actually on Sun Nov 04, 2007. Examples: > Sys.timezone() [1] "Mountain Daylight Time" > as.POSIXct("2007-10-30 12:38:47") [1] "2007-10-30 12:38:47 Mountain

are your workstations w98 ?? or nt/w2k ?? (have the same here, only with w98 ws) you can also use net time /SETSNTP:ntp server Collen Friday, February 13, 2004, 3:45:21 PM, you wrote: TFGF> I already configured my time zone, daylight, etc..... TFGF> The server date is correct. I already compiled a TimeZone file(.ZIC) with TFGF> the correct date for DayLight saving. TFGF> The

Hi, Normally daylight date change last sunday march for Turkey but this year daylight saving time will change for Turkey at 28 March 2011 at 03.00 AM so how can i change daylight save time setting for this year on CentOS servers ? I wrote rule file like below and compile it with zic but when I compile rule file,it has changed date immediately but it should be change at 28 March 2011 03.00 AM.

Hi, I am in Australian. Now it is daylight saving time in Australian. I have daysaving time issue on samba client as below. On AIX server, I get the following two files's modified time via command istat. /zytest/file1 (Modified time: Fri Sep 18 12:07:37 EST 2009) /zytest/file1 (Modified time: Sun Nov 1 13:42:16 EDT 2009) On samba client Windows machine, the modified time

Dear all, I have a vector generated using the function strptime: > my.dt [1] "2004-04-19 08:35:00 W. Europe Daylight Time" "2004-04-19 09:35:00 W. Europe Daylight Time" "2004-04-19 11:35:00 W. Europe Daylight Time" [4] "2004-04-19 13:35:00 W. Europe Daylight Time" "2004-04-20 07:50:00 W. Europe Daylight Time" > class(my.dt) [1]