On Wednesday, Jul 21, 2021 at 9:12 PM, Andrew Robinson
<a...@unimelb.edu.au (mailto:a...@unimelb.edu.au)> wrote:
I wonder if you mean that you want the levels of the factor to
reset within each month? That is not obvious from your example, but
implied by your question.
Andrew
--
Andrew Robinson
Director, CEBRA and Professor of Biosecurity,
School/s of BioSciences and Mathematics & Statistics
University of Melbourne, VIC 3010 Australia
Tel: (+61) 0403 138 955
Email: a...@unimelb.edu.au
Website: https://researchers.ms.unimelb.edu.au/~apro@unimelb/
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On 22 Jul 2021, 1:47 PM +1000, N. F. Parsons
<nathan.f.pars...@gmail.com>, wrote:
> External email: Please exercise caution
>
> I am not averse to a factor-based solution, but I would still
have to manually enter that factor each month, correct? If
possible, I’d just like to point R at that column and have it do
the work.
>
> —
> Nathan Parsons, B.SC, M.Sc, G.C.
>
> Ph.D. Candidate, Dept. of Sociology, Portland State University
> Adjunct Professor, Dept. of Sociology, Washington State University
> Graduate Advocate, American Association of University Professors (OR)
>
> Recent work
(https://www.researchgate.net/profile/Nathan_Parsons3/publications)
> Schedule an appointment (https://calendly.com/nate-parsons)
>
> > On Wednesday, Jul 21, 2021 at 8:30 PM, Tom Woolman
<twool...@ontargettek.com (mailto:twool...@ontargettek.com)> wrote:
> >
> > Couldn't you convert the date columns to character type data in a data
> > frame, and then convert those strings to factors in a 2nd step?
> >
> > The only downside I think to treating dates as factor levels is that
> > you might have an awful lot of factors if you have a large enough
> > dataset.
> >
> >
> >
> > Quoting "N. F. Parsons" <nathan.f.pars...@gmail.com>:
> >
> > > Hi all,
> > >
> > > If I have a tibble as follows:
> > >
> > > tibble(dates = c(rep("2021-07-04", 2), rep("2021-07-25", 3),
> > > rep("2021-07-18", 4)))
> > >
> > > how in the world do I add a column that evaluates each of
those dates and
> > > assigns it a categorical value such that
> > >
> > > dates cycle
> > > <chr> <chr>
> > > 2021-07-04 1
> > > 2021-07-04 1
> > > 2021-07-25 3
> > > 2021-07-25 3
> > > 2021-07-25 3
> > > 2021-07-18 2
> > > 2021-07-18 2
> > > 2021-07-18 2
> > > 2021-07-18 2
> > >
> > > Not to further complicate matters, but some months I may only have one
> > > date, and some months I will have 4 dates - so thats not a
fixed quantity.
> > > We've literally been doing this by hand at my job and I'd
like to automate
> > > it.
> > >
> > > Thanks in advance!
> > >
> > > Nate Parsons
> > >
> > > [[alternative HTML version deleted]]
> > >
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> > ______________________________________________
> > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
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>
> ______________________________________________
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>