[R] print only a few lines of an object

[Bert Gunter]

Well, that depends whether the object has/inherits from a class for
which there is a suitable method for head/tail and for printing the
result. So I think your before-thought applies  :-)

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 Wed, Mar 23, 2022 at 12:42 PM Jeff Newmiller
<jdnewmil using dcn.davis.ca.us> wrote:
>
> After-thought...
>
> Why not just use head() and tail() like normal R users do?
>
> On March 23, 2022 12:31:46 PM PDT, Jeff Newmiller <jdnewmil using dcn.davis.ca.us> wrote:
> >Sure. Re-define the print method for those objects. Can't say I recommend this, but it can be done.
> >
> >On March 23, 2022 11:44:01 AM PDT, Naresh Gurbuxani <naresh_gurbuxani using hotmail.com> wrote:
> >>In an R session, when I type the name of an object, R prints the entire object (for example, a 20000 x 5 data.frame).  Is it possible to change the default behavior so that only the first five and last five rows are printed?
> >>
> >>Similarly, if the object is a 20000 x 200 matrix, the default behavior will be to print first five and last five columns, combined with first five and last five rows.
> >>
> >>Thanks,
> >>Naresh
> >>______________________________________________
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> >
>
> --
> Sent from my phone. Please excuse my brevity.
>
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