[R] Extracting a particular column from list

[Jim Lemon]

Good one. When I saw this thread beginning to lengthen, I thought:

"Ask an unanswerable question and you get philosophy."

Jim

On Fri, Jan 17, 2020 at 6:10 PM Rui Barradas <ruipbarradas using sapo.pt> wrote:
>
> Hello,
>
> Inline.
>
>
> Às 22:03 de 16/01/20, Mark Leeds escreveu:
> > I nominate the last sentence of Rolf's comment as a fortune.
>
> Second.
>
>
> Rui Barradas
>
> >
> >
> > On Thu, Jan 16, 2020 at 3:48 PM Rolf Turner <r.turner using auckland.ac.nz
> > <mailto:r.turner using auckland.ac.nz>> wrote:
> >
> >
> >     On 17/01/20 1:55 am, Rui Barradas wrote:
> >
> >      > Hello,
> >      >
> >      > What column and what list?
> >      > Please post a reproducible example, see the link at the bottom of
> >     this
> >      > mail and  [1], [2], [3].
> >      >
> >      > [1] https://cran.r-project.org/web/packages/reprex/index.html
> >      > [2]
> >      >
> >     https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example
> >
> >      >
> >      > [3] https://stackoverflow.com/help/mcve
> >      >
> >      > Hope this helps,
> >
> >     The OP should note that lists in general *do not have* columns.  Data
> >     frames (which are a special case of lists) do have columns.
> >
> >     Lists have "*entries*" or "components".  It is important to get your
> >     terminology right and to understand the concepts that you are dealing
> >     with.  Slap-dash hammer and hope is a recipe for disaster, especially
> >     in R.
> >
> >     cheers,
> >
> >     Rolf Turner
> >
> >     --
> >     Honorary Research Fellow
> >     Department of Statistics
> >     University of Auckland
> >     Phone: +64-9-373-7599 ext. 88276
> >
> >     ______________________________________________
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> >     PLEASE do read the posting guide
> >     http://www.R-project.org/posting-guide.html
> >     and provide commented, minimal, self-contained, reproducible code.
> >
>
> ______________________________________________
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