[R] Reshape and column order

2007-04-11 Thread Ian Kennedy
If I try to reshape a data frame into a long format with more than one column it seems to mix up the column headings (or the columns, depending on how you look at it). For example: > d <- data.frame(row=1:2,b.1=c("1b1","2b1"),b.2=c("1b2","2b2"),a.1=c("1a1","2a1"),a.2=c("1a2","2a2")) > d row b.1

[R] xtable and column headings

2007-02-01 Thread Ian Kennedy
When I generate a LaTeX table using xtable I have been setting column names to strings with LaTeX code in order to get features like subscripts in the column headings. I recently had to reinstall xtable and discovered that all my LaTeX column headings were printing out in LaTeX code rather than wi

Re: [R] Entering times around the start of daylight savings time

2004-04-30 Thread Ian Kennedy
me sort of sense. If I enter a specific time zone such as "GMT" it should assume all the times are from that time zone, even if the place those times were recorded changes from standard time to daylight savings time. For the last example above, if I enter an unknown time zone, t

[R] Entering times around the start of daylight savings time

2004-04-29 Thread Ian Kennedy
es correctly for this period by using chron, multiplying by the number of seconds in a day and forcing the resulting number to be a POSIXct, but this seems too involved and probably unreliable. Thanks for any suggestions, Ian Kennedy __ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html