[R] Choosing specific Date Range from non-sequential Date

Jeff Newmiller jdnewm|| @end|ng |rom dcn@d@v|@@c@@u@
Mon Sep 9 19:18:22 CEST 2019


Or the column is not named "date", or it is a factor... and the question is not posted in plain text....

On September 9, 2019 9:55:48 AM PDT, Bert Gunter <bgunter.4567 using gmail.com> wrote:
>I would guess that you first need to convert your textual dates to a
>date-time object via as.date, but as you failed to provide a
>reproducible
>example (e.g. via dput) I may be wrong. Maybe others may have greater
>insight.
>
>Bert Gunter
>
>"The trouble with having an open mind is that people keep coming along
>and
>sticking things into it."
>-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )
>
>
>On Mon, Sep 9, 2019 at 8:55 AM Ogbos Okike <giftedlife2014 using gmail.com>
>wrote:
>
>> Dear Contributors,
>> I have a data frame of the form:
>> 1997-11-23 -2.91709629064653
>> 1997-12-07 -0.960255426066815
>> 1997-12-11 -1.98210752999868
>> 1997-12-20 -1.10800598439855
>> 1998-01-01 -1.00090115428118
>> 1998-01-29 -1.03056081882709
>> 1998-03-27 -0.873243859498216
>> 1998-04-09 -2.06378384750109
>> 1998-04-12 -2.06826431469008
>> 1998-04-19 -2.49834620746286
>> 1998-05-02 -6.4357083781542
>> 1998-05-17 -2.25359807972754
>> 1998-05-21 -2.55799006865995
>> 1999-08-22 -2.25114162617707
>> 1999-08-25 -1.47905397376409
>> 1999-09-05 -0.641589808755325
>> 1999-09-09 -0.648954682695949
>> 1999-09-13 -0.726364489272492
>> 1999-09-16 -1.28445236942011
>>
>> The events happen randomly and so the date is non-sequential. It run
>form
>> 1953 to 2019.
>>
>> I would like to select all the events/dates between 1998 to 2005.
>>
>> One of the things I tried is:
>> Year <- subset(MOSCFD50, date > "1998-01-01" & date < "2005-12-31").
>>
>> But it didn't work.
>>
>> I would be thankful if you could please redirect me.
>>
>> Thank you very much.
>> Best regards
>> Ogbos
>>
>>         [[alternative HTML version deleted]]
>>
>> ______________________________________________
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>> and provide commented, minimal, self-contained, reproducible code.
>>
>
>	[[alternative HTML version deleted]]
>
>______________________________________________
>R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>PLEASE do read the posting guide
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>and provide commented, minimal, self-contained, reproducible code.

-- 
Sent from my phone. Please excuse my brevity.



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