[R] Strange result for strptime with %p

[Rui Barradas]

Hello,

Or %H, it also works.

strptime("05/01/18 00:59:59 AM", format = ("%m/%d/%y %H:%M:%S %p"), 
tz="Asia/Jayapura")
#[1] "2018-05-01 00:59:59 WIT"


Hope this helps,

Rui Barradas

Às 15:20 de 02/10/2018, PIKAL Petr escreveu:
> Hi
> 
> Credit belongs to documentation. I picked it from it.
> 
> Cheers
> Petr
> 
>> -----Original Message-----
>> From: peter dalgaard <pdalgd using gmail.com>
>> Sent: Tuesday, October 2, 2018 4:15 PM
>> To: PIKAL Petr <petr.pikal using precheza.cz>
>> Cc: Marc Girondot <marc_grt using yahoo.fr>; r-help mailing list <r-help using r-
>> project.org>
>> Subject: Re: [R] Strange result for strptime with %p
>>
>> Nice catch, Petr:
>>
>>> strptime("05/01/18 00:59:59 AM", format = ("%m/%d/%y %I:%M:%S %p"),
>>> tz="Asia/Jayapura")
>> [1] NA
>>> strptime("05/01/18 12:59:59 AM", format = ("%m/%d/%y %I:%M:%S %p"),
>>> tz="Asia/Jayapura")
>> [1] "2018-05-01 00:59:59 WIT"
>>
>> -pd
>>
>>> On 2 Oct 2018, at 15:39 , PIKAL Petr <petr.pikal using precheza.cz> wrote:
>>>
>>> Hi
>>>
>>> Maybe it is connected to
>>> %I
>>> Hours as decimal number (01–12).
>>>
>>> Your input has hour as 00
>>>
>>> Cheers
>>> Petr
>>>
>>>> -----Original Message-----
>>>> From: R-help <r-help-bounces using r-project.org> On Behalf Of Marc
>>>> Girondot via R-help
>>>> Sent: Tuesday, October 2, 2018 3:30 PM
>>>> To: R-help Mailing List <r-help using r-project.org>
>>>> Subject: [R] Strange result for strptime with %p
>>>>
>>>> Dear members... are these results normal ?
>>>>
>>>> For the first one, no problem. I expected this:
>>>>
>>>>> strptime("05/01/18 01:00:00 AM", format = ("%m/%d/%y %I:%M:%S %p"),
>>>> tz="Asia/Jayapura")
>>>> [1] "2018-05-01 01:00:00 WIT"
>>>>
>>>> For this one, it is ok also:
>>>>
>>>>> strptime("05/01/18 01:00:00 AM", format = ("%m/%d/%y %I:%M:%S %p"),
>>>> tz="Asia/Jayapura")-1
>>>> [1] "2018-05-01 00:59:59 WIT"
>>>>
>>>> But how to explain this ???
>>>>
>>>>> strptime("05/01/18 00:59:59 AM", format = ("%m/%d/%y %I:%M:%S %p"),
>>>> tz="Asia/Jayapura")
>>>> [1] NA
>>>>
>>>> Thanks for your advices
>>>> Marc
>>>> ______________________
>>>>
>>>> R 3.5.1 on MacOS 10.14
>>>>
>>>>> version
>>>>                 _
>>>> platform       x86_64-apple-darwin15.6.0
>>>> arch           x86_64
>>>> os             darwin15.6.0
>>>> system         x86_64, darwin15.6.0
>>>> status
>>>> major          3
>>>> minor          5.1
>>>> year           2018
>>>> month          07
>>>> day            02
>>>> svn rev        74947
>>>> language       R
>>>> version.string R version 3.5.1 (2018-07-02)
>>>> nickname       Feather Spray
>>>>
>>>> ______________________________________________
>>>> R-help using 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.
>>> Osobní údaje: Informace o zpracování a ochraně osobních údajů
>>> obchodních partnerů PRECHEZA a.s. jsou zveřejněny na:
>>> https://www.precheza.cz/zasady-ochrany-osobnich-udaju/ | Information
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>>> ______________________________________________
>>> R-help using 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.
>>
>> --
>> Peter Dalgaard, Professor,
>> Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000
>> Frederiksberg, Denmark
>> Phone: (+45)38153501
>> Office: A 4.23
>> Email: pd.mes using cbs.dk  Priv: PDalgd using gmail.com
>>
>>
>>
>>
>>
>>
>>
>>
> 
> Osobní údaje: Informace o zpracování a ochraně osobních údajů obchodních partnerů PRECHEZA a.s. jsou zveřejněny na: https://www.precheza.cz/zasady-ochrany-osobnich-udaju/ | Information about processing and protection of business partner’s personal data are available on website: https://www.precheza.cz/en/personal-data-protection-principles/
> Důvěrnost: Tento e-mail a jakékoliv k němu připojené dokumenty jsou důvěrné a podléhají tomuto právně závaznému prohláąení o vyloučení odpovědnosti: https://www.precheza.cz/01-dovetek/ | This email and any documents attached to it may be confidential and are subject to the legally binding disclaimer: https://www.precheza.cz/en/01-disclaimer/
> 
> ______________________________________________
> R-help using 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.
>