Bingo! Thanks! I somehow couldn't find an example like that via google. Joe
On Mon, Jan 2, 2017 at 1:35 PM, Roy Mendelssohn - NOAA Federal <roy.mendelss...@noaa.gov> wrote: >> test > hm("10:00") > [1] FALSE FALSE TRUE TRUE >> test[test > hm("10:00")] > [1] "10H 30M 0S" "11H 0M 0S" > > -Roy > > >> On Jan 2, 2017, at 12:27 PM, Joe Ceradini <joecerad...@gmail.com> wrote: >> >> Thanks for the reply Roy! >> >> Perhaps you're showing me the way and I'm missing it - how would I >> subset to only 1030 and 1100, excluding 1000? It seems I would need to >> say, give me all time greater than 10:00, but the hours and minutes >> are in separate slots, which is throwing me off. >> >> Thanks again. >> >> On Mon, Jan 2, 2017 at 1:13 PM, Roy Mendelssohn - NOAA Federal >> <roy.mendelss...@noaa.gov> wrote: >>> Hi Joe: >>> >>> See below. >>>> On Jan 2, 2017, at 12:01 PM, Joe Ceradini <joecerad...@gmail.com> wrote: >>>> >>>> Hi folks, >>>> >>>> I must be missing something obvious/painfully simple here.... >>>> >>>> How do I subset a time vector based on hours AND minutes? So, in this >>>> example, I want all time greater than 10:00, i.e., 10:30 and 11:00. >>>> I'm working with lubridate which separates the hours and minutes into >>>> separate slots. >>>> >>>> require(lubridate) >>>> >>>> test <- hm(c("9:30", "10:00", "10:30", "11:00")) >>>> test >>>> [1] "9H 30M 0S" "10H 0M 0S" "10H 30M 0S" "11H 0M 0S" >>>> >>>> This gets 11 but not 1030 >>>> test[test@hour > 10] >>>> [1] "11H 0M 0S" >>>> >>>> This gets 1030 but not 11 >>>> test[test@hour > 9 & test@minute > 0] >>>> [1] "10H 30M 0S" >>> >>> test[test@hour > 9] >>> [1] "10H 0M 0S" "10H 30M 0S" "11H 0M 0S" >>> >>> >>> You are using a logical "and" in your test - so the condition "test@minute >>> > 0" isn't met for 11:00 and therefore it doesn't show up. as both >>> conditions must be met You could also do: >>> >>>> test[test@hour >= 10] >>> [1] "10H 0M 0S" "10H 30M 0S" "11H 0M 0S" >>> >>> -HTH, >>> >>> Roy >>> >>>> >>>> Thanks and happy new year! >>>> Joe >>>> >>>> ______________________________________________ >>>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>>> 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. >>> >>> ********************** >>> "The contents of this message do not reflect any position of the U.S. >>> Government or NOAA." >>> ********************** >>> Roy Mendelssohn >>> Supervisory Operations Research Analyst >>> NOAA/NMFS >>> Environmental Research Division >>> Southwest Fisheries Science Center >>> ***Note new street address*** >>> 110 McAllister Way >>> Santa Cruz, CA 95060 >>> Phone: (831)-420-3666 >>> Fax: (831) 420-3980 >>> e-mail: roy.mendelss...@noaa.gov www: http://www.pfeg.noaa.gov/ >>> >>> "Old age and treachery will overcome youth and skill." >>> "From those who have been given much, much will be expected" >>> "the arc of the moral universe is long, but it bends toward justice" -MLK >>> Jr. >>> >> >> >> >> -- >> Cooperative Fish and Wildlife Research Unit >> Zoology and Physiology Dept. >> University of Wyoming >> joecerad...@gmail.com / 914.707.8506 >> wyocoopunit.org > > ********************** > "The contents of this message do not reflect any position of the U.S. > Government or NOAA." > ********************** > Roy Mendelssohn > Supervisory Operations Research Analyst > NOAA/NMFS > Environmental Research Division > Southwest Fisheries Science Center > ***Note new street address*** > 110 McAllister Way > Santa Cruz, CA 95060 > Phone: (831)-420-3666 > Fax: (831) 420-3980 > e-mail: roy.mendelss...@noaa.gov www: http://www.pfeg.noaa.gov/ > > "Old age and treachery will overcome youth and skill." > "From those who have been given much, much will be expected" > "the arc of the moral universe is long, but it bends toward justice" -MLK Jr. > -- Cooperative Fish and Wildlife Research Unit Zoology and Physiology Dept. University of Wyoming joecerad...@gmail.com / 914.707.8506 wyocoopunit.org ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.