[R] chron and R 2.8

Gabor Grothendieck ggrothendieck at gmail.com
Mon Dec 1 19:32:39 CET 2008


Please provide the input file so its reproducible.

On Mon, Dec 1, 2008 at 1:12 PM, stephen sefick <ssefick at gmail.com> wrote:
> These are the two functions that I use to read the data in.  I have
> reverted back to R 2.7.2, chron 2.3-24, zoo 1.5-4, StreamMetabolism
> 0.03.  This configuration works just fine- like I expect and with
> considerable time speed up over both R 2.8 and chron 2.3-24 and
> 2.3-25.
>
> fmt.chron <- function (x)
> {
>    chron(sub(" .*", "", x), gsub(".* (.*)", "\\1:00", x))
> }
>
> read.production <- function (data)
> {
>    read.zoo(data, sep = ",", FUN = fmt.chron, header = TRUE)
> }
>
>
>        DateTime RM215Temp
> 800  1/9/06 7:46     11.12
> 801  1/9/06 8:01     11.11
> 802  1/9/06 8:16     10.98
> 803  1/9/06 8:31     10.90
> 804  1/9/06 8:46     10.94
> 805  1/9/06 9:01     10.98
> 806  1/9/06 9:16     10.98
> 807  1/9/06 9:31     11.00
> 808  1/9/06 9:46     11.02
> 809 1/9/06 10:01     11.04
> 810 1/9/06 10:16     11.06
> 811 1/9/06 10:31     11.07
> 812 1/9/06 10:46     11.09
> 813 1/9/06 11:01     11.11
> 814 1/9/06 11:16     11.13
> 815 1/9/06 11:31     11.16
> 816 1/9/06 11:46     11.18
> 817 1/9/06 12:01     11.20
> 818 1/9/06 12:16     11.23
> 819 1/9/06 12:31     11.27
> 820 1/9/06 12:46     11.30
> 821 1/9/06 13:01     11.33
> 822 1/9/06 13:16     11.36
> 823 1/9/06 13:31     11.39
> 824 1/9/06 13:46     11.42
> 825 1/9/06 14:01     11.44
> 826 1/9/06 14:16     11.45
> 827 1/9/06 14:31     11.48
> 828 1/9/06 14:46     11.50
> 829 1/9/06 15:01     11.52
> 830 1/9/06 15:16     11.54
> 831 1/9/06 15:31     11.56
> 832 1/9/06 15:46     11.59
> 833 1/9/06 16:01     11.61
> 834 1/9/06 16:16     11.64
> 835 1/9/06 16:31     11.64
> 836 1/9/06 16:46     11.64
> 837 1/9/06 17:01     11.62
> 838 1/9/06 17:16     11.60
> 839 1/9/06 17:31     11.58
> 840 1/9/06 17:46     11.57
> 841 1/9/06 18:01     11.60
> 842 1/9/06 18:16     11.57
> 843 1/9/06 18:31     11.45
> 844 1/9/06 18:46     11.40
> 845 1/9/06 19:01     11.44
> 846 1/9/06 19:16     11.38
> 847 1/9/06 19:31     11.39
> 848 1/9/06 19:46     11.43
> 849 1/9/06 20:01     11.40
> 850 1/9/06 20:16     11.44
> 851 1/9/06 20:31     11.24
> 852 1/9/06 20:46     11.08
> 853 1/9/06 21:01     11.10
> 854 1/9/06 21:16     11.08
> 855 1/9/06 21:31     11.08
> 856 1/9/06 21:46     11.08
> 857 1/9/06 22:01     11.07
> 858 1/9/06 22:16     11.07
> 859 1/9/06 22:31     11.08
> 860 1/9/06 22:46     11.08
> 861 1/9/06 23:01     11.07
> 862 1/9/06 23:16     11.07
> 863 1/9/06 23:31     11.06
> 864 1/9/06 23:46     11.06
> 865 1/10/06 0:01     11.05
> 866 1/10/06 0:16     11.05
> 867 1/10/06 0:31     11.05
> 868 1/10/06 0:46     11.04
> 869 1/10/06 1:01     11.04
> 870 1/10/06 1:16     11.03
> 871 1/10/06 1:31     11.03
> 872 1/10/06 1:46     11.02
> 873 1/10/06 2:01     11.02
> 874 1/10/06 2:16     11.01
> 875 1/10/06 2:31     11.01
> 876 1/10/06 2:46     11.01
> 877 1/10/06 3:01     11.00
> 878 1/10/06 3:16     10.99
> 879 1/10/06 3:31     10.99
> 880 1/10/06 3:46     10.99
> 881 1/10/06 4:01     10.98
> 882 1/10/06 4:16     10.97
> 883 1/10/06 4:31     10.97
> 884 1/10/06 4:46     10.96
> 885 1/10/06 5:01     10.95
> 886 1/10/06 5:16     10.95
> 887 1/10/06 5:31     10.94
> 888 1/10/06 5:46     10.93
> 889 1/10/06 6:01     10.93
> 890 1/10/06 6:16     10.93
> 891 1/10/06 6:31     10.94
> 892 1/10/06 6:46     10.93
> 893 1/10/06 7:01     10.90
> 894 1/10/06 7:16     10.90
> 895 1/10/06 7:31     10.91
> 896 1/10/06 7:46     10.92
>
>
> On Mon, Dec 1, 2008 at 12:08 PM, Gabor Grothendieck
> <ggrothendieck at gmail.com> wrote:
>> The key thing to do is to provide some reproducible code that
>> someone else can use to verify the problem even if you have
>> to use it on 2.7.2 with the old chron and 2.8.0 with the new chron.
>>
>>
>> On Mon, Dec 1, 2008 at 11:34 AM, stephen sefick <ssefick at gmail.com> wrote:
>>> I have built chron 2.3-24 under 2.8 and it is acting the same as
>>> 2.3-24 and as to the previous email the zoo version is the same for
>>> both.  My next test will be to get 2.7.2 up and running again, and see
>>> what the behavior is under this version with the different versions of
>>> chron.  I have not figured out how to install || versions of R in mac
>>> OS X it looks like the packages are maintained but the application is
>>> automatically removed and updated into the current version.  What else
>>> should I try?
>>>
>>> On Mon, Dec 1, 2008 at 10:41 AM, Gabor Grothendieck
>>> <ggrothendieck at gmail.com> wrote:
>>>> Two things to try:
>>>>
>>>> - try running both under 2.7.2 instead of trying both under 2.8
>>>> - if you know how to build packages from source then try rebuilding the
>>>> chron you have under 2.7.2 using 2.98.  You can find it here:
>>>> http://cran.r-project.org/src/contrib/Archive/chron/
>>>>
>>>>
>>>> On Mon, Dec 1, 2008 at 10:35 AM, stephen sefick <ssefick at gmail.com> wrote:
>>>>> I found the library where all of the older packages are located.
>>>>>
>>>>> library(chron, lib =
>>>>> "/Library/Frameworks/R.Framework/Versions/2.7/Resources/library")
>>>>>
>>>>> Error in dyn.load(file, DLLpath = DLLpath, ...) :
>>>>>  unable to load shared library
>>>>> '/Library/Frameworks/R.Framework/Versions/2.7/Resources/library/chron/libs/i386/chron.so':
>>>>>  dlopen(/Library/Frameworks/R.Framework/Versions/2.7/Resources/library/chron/libs/i386/chron.so,
>>>>> 6): Library not loaded:
>>>>> /Library/Frameworks/R.framework/Versions/2.7/Resources/lib/libR.dylib
>>>>>  Referenced from:
>>>>> /Library/Frameworks/R.Framework/Versions/2.7/Resources/library/chron/libs/i386/chron.so
>>>>>  Reason: image not found
>>>>> Error: package/namespace load failed for 'chron'
>>>>>
>>>>> The code above works with zoo
>>>>> library(zoo, lib =
>>>>> "/Library/Frameworks/R.Framework/Versions/2.7/Resources/library")
>>>>>
>>>>>
>>>>> On Sun, Nov 30, 2008 at 10:04 PM, Gabor Grothendieck
>>>>> <ggrothendieck at gmail.com> wrote:
>>>>>> To run the old version of chron that you have under 2.7.2
>>>>>> into 2.8.0, on 2.7.2 issue the command (note initial dot):
>>>>>>
>>>>>> .libPaths()
>>>>>>
>>>>>> Suppose you find that the library that contains chron in
>>>>>> 2.7.2 is "/a/b".
>>>>>>
>>>>>> Then on 2.8.0 ensure that you don't have chron on the search path
>>>>>>
>>>>>> search()
>>>>>>
>>>>>> and if you do detach it:
>>>>>>
>>>>>> detach("package:chron")
>>>>>> search() # should no longer be there
>>>>>>
>>>>>> Then run this where "..." is the library that the old version of chron
>>>>>> is in under 2.7.2.
>>>>>>
>>>>>> library(chron, lib = "...")
>>>>>>
>>>>>> To run the new version of chron detach the old version and just use:
>>>>>>
>>>>>> library(chron)
>>>>>>
>>>>>>
>>>>>> On Sun, Nov 30, 2008 at 9:14 PM, stephen sefick <ssefick at gmail.com> wrote:
>>>>>>> Yes
>>>>>>> chron 2.3-25
>>>>>>> zoo 1.5-4
>>>>>>> R 2.8
>>>>>>> Mac OS X 10.5.5
>>>>>>>
>>>>>>> Gabor I don't know how to start up another verison of R on the mac.  I
>>>>>>> will figure this out, and get back to you (I can then test both of
>>>>>>> them side by side).
>>>>>>>
>>>>>>> other fast installation (version numbers from description files in R
>>>>>>> 2.7.2 directory)
>>>>>>> chron 2.3-24
>>>>>>> zoo 1.5-4
>>>>>>> Mac OS X 10.5.5
>>>>>>>
>>>>>>> thanks
>>>>>>>
>>>>>>> Stephen
>>>>>>>
>>>>>>> On Sat, Nov 29, 2008 at 10:19 AM, Gabor Grothendieck
>>>>>>> <ggrothendieck at gmail.com> wrote:
>>>>>>>> Are you using the same version of chron both times?
>>>>>>>>
>>>>>>>> On Sat, Nov 29, 2008 at 10:05 AM, stephen sefick <ssefick at gmail.com> wrote:
>>>>>>>>> has anyone had problems with the upgrade to R 2.8 and chron date
>>>>>>>>> classes.  I have a large zoo object that has a chron index, and it is
>>>>>>>>> taking 5x or so longer to do the same calculation as with 2.7 if it
>>>>>>>>> doesn't fail.  I will provide anything necessary I am not entirely
>>>>>>>>> sure what ya'll would need if anything to try and reproduce the
>>>>>>>>> behavior.  I am using the package StreamMetabolism.
>>>>>>>>> thanks
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Stephen Sefick
>>>>>>>>>
>>>>>>>>> Let's not spend our time and resources thinking about things that are
>>>>>>>>> so little or so large that all they really do for us is puff us up and
>>>>>>>>> make us feel like gods.  We are mammals, and have not exhausted the
>>>>>>>>> annoying little problems of being mammals.
>>>>>>>>>
>>>>>>>>>                                                                -K. Mullis
>>>>>>>>>
>>>>>>>>> ______________________________________________
>>>>>>>>> R-help at 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.
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Stephen Sefick
>>>>>>>
>>>>>>> Let's not spend our time and resources thinking about things that are
>>>>>>> so little or so large that all they really do for us is puff us up and
>>>>>>> make us feel like gods.  We are mammals, and have not exhausted the
>>>>>>> annoying little problems of being mammals.
>>>>>>>
>>>>>>>                                                                -K. Mullis
>>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Stephen Sefick
>>>>>
>>>>> Let's not spend our time and resources thinking about things that are
>>>>> so little or so large that all they really do for us is puff us up and
>>>>> make us feel like gods.  We are mammals, and have not exhausted the
>>>>> annoying little problems of being mammals.
>>>>>
>>>>>                                                                -K. Mullis
>>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> Stephen Sefick
>>>
>>> Let's not spend our time and resources thinking about things that are
>>> so little or so large that all they really do for us is puff us up and
>>> make us feel like gods.  We are mammals, and have not exhausted the
>>> annoying little problems of being mammals.
>>>
>>>                                                                -K. Mullis
>>>
>>
>
>
>
> --
> Stephen Sefick
>
> Let's not spend our time and resources thinking about things that are
> so little or so large that all they really do for us is puff us up and
> make us feel like gods.  We are mammals, and have not exhausted the
> annoying little problems of being mammals.
>
>                                                                -K. Mullis
>



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