Rather than altering your data, it is better to use the same date time format
at all times, and specify it explicitly when converting to or from character.
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"chuck.01" <charliethebrow...@gmail.com> wrote:
>I did not read that close enough; thanks again.
>
>
>
>
>arun kirshna wrote
>> Hi,
>>
>> ?as.POSIXct()
>> format: character string giving a date-time format as used by
>> ‘strptime’.
>>
>> ?strptime()
>> format: A character string. The default for the ‘format’ methods is
>> ‘"%Y-%m-%d %H:%M:%S"’ if any component has a time component
>> which is not midnight, and ‘"%Y-%m-%d"’ otherwise. If
>> ‘options("digits.secs")’ is set, up to the specified number
>> of digits will be printed for seconds.
>>
>> So, may be it is better to add a sec and later subtract it.
>>
>> dates.mine2<-dates.mine+1
>> dates.mine2[3]
>> #[1] "2009-05-22 00:00:01 GMT"
>> dates.mine3<-dates.mine2-1
>> dates.mine3[3]
>> #[1] "2009-05-22 GMT"
>> A.K.
>>
>>
>>
>>
>>
>>
>> ----- Original Message -----
>> From: chuck.01 <
>
>> CharlieTheBrown77@
>
>> >
>> To:
>
>> r-help@
>
>> Cc:
>> Sent: Tuesday, October 30, 2012 5:21 PM
>> Subject: Re: [R] POSIXct date missing "time component"
>>
>> Um, OK.
>> My dates have times, they are 00:00:00 (i.e. midnight)
>> I'll just add a fraction of a second my dates and go with it.
>>
>> Thanks for the reply.
>>
>>
>>
>>
>> arun kirshna wrote
>>> HI,
>>> Please check this link
>>> (http://rss.acs.unt.edu/Rdoc/library/base/html/as.POSIXlt.html).
>>> "Dates without times are treated as being at midnight UTC. "
>>>
>>> May be you can try this (if it doesn't create additional problems):
>>> dates.mine2<-dates.mine+1
>>> dates.mine2
>>> #[1] "2009-05-21 23:30:01 GMT" "2009-05-21 23:45:01 GMT"
>>> #[3] "2009-05-22 00:00:01 GMT" "2009-05-22 00:15:01 GMT"
>>> dates.mine2[3]
>>> #[1] "2009-05-22 00:00:01 GMT"
>>> str(dates.mine2)
>>> #POSIXct[1:4], format: "2009-05-21 23:30:01" "2009-05-21 23:45:01"
>...
>>> A.K.
>>
>>
>>
>>
>>
>> --
>> View this message in context:
>>
>http://r.789695.n4.nabble.com/POSIXct-date-missing-time-component-tp4647932p4647939.html
>> Sent from the R help mailing list archive at Nabble.com.
>>
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>>
>>
>> ______________________________________________
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>> R-help@
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>> mailing list
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>> PLEASE do read the posting guide
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>> and provide commented, minimal, self-contained, reproducible code.
>
>
>
>
>
>--
>View this message in context:
>http://r.789695.n4.nabble.com/POSIXct-date-missing-time-component-tp4647932p4647963.html
>Sent from the R help mailing list archive at Nabble.com.
>
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>PLEASE do read the posting guide
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>and provide commented, minimal, self-contained, reproducible code.
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