[R] Help in R

[Ulrik Stervbo]

And

head(test_df$Movie, 10)

For function completeness :-)

Rui Barradas <ruipbarradas at sapo.pt> schrieb am So., 5. Nov. 2017, 20:56:

> Hello,
>
> Also
>
> tail(test_df$Movie, 10)
>
> Hope this helps,
>
> Rui Barradas
>
> Em 05-11-2017 19:18, Ulrik Stervbo escreveu:
> > R can have a bit of a learning curve... There are several ways to achieve
> > your goal - depending on what you want:
> >
> > test_df <- data.frame(Movie = letters, some.value = rnorm(26))
> >
> > test_df$Movie[1:10]
> >
> > test_df$Movie[sample(c(1:26), 10)]
> >
> > test_df[sample(c(1:26), 10), ]
> >
> > Do read a tutorial or two on R - "Introduction to R" as suggested by
> David
> > or something else - so you can explain the code above to yourself.
> >
> > HTH
> > Ulrik
> >
> > On Sun, 5 Nov 2017 at 19:38 David Winsemius <dwinsemius at comcast.net>
> wrote:
> >
> >>
> >>> On Nov 5, 2017, at 9:28 AM, Ahsan Zahir via R-help <
> r-help at r-project.org>
> >> wrote:
> >>>
> >>>
> >>> Hey,
> >>>
> >>> I am a beginner in R.
> >>>
> >>> How do I read last 10 values from column- Movie, from a dataset?
> >>
> >> Some questions are so simple that they strongly suggest no prior effort
> at
> >> self-leanrning. In such cases the usual recommendation given at Rhelp is
> >> that you read an introductory text. Many of us used the "Introduction
> to R"
> >> that is shipped with every copy of R:
> >>
> >> https://cran.r-project.org/doc/manuals/r-release/R-intro.pdf
> >>
> >>
> >>>
> >>> Pls help.
> >>>
> >>> Sent from my iPhone
> >>>
> >>> ______________________________________________
> >>> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >>> https://stat.ethz.ch/mailman/listinfo/r-help
> >>> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >>> and provide commented, minimal, self-contained, reproducible code.
> >>
> >> David Winsemius
> >> Alameda, CA, USA
> >>
> >> 'Any technology distinguishable from magic is insufficiently advanced.'
> >>   -Gehm's Corollary to Clarke's Third Law
> >>
> >> ______________________________________________
> >> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide
> >> http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible code.
> >>
> >
> >       [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > 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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