[R] repeat matrix rows as a whole
Jeff Newmiller
jdnewmil at dcn.davis.CA.us
Thu Apr 26 04:24:49 CEST 2012
Yes, integer vector indexing. You haven't provided R code to work with so I will just refer you to read the pdf "An Introduction to R" included with most R installations for more details.
---------------------------------------------------------------------------
Jeff Newmiller The ..... ..... Go Live...
DCN:<jdnewmil at dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go...
Live: OO#.. Dead: OO#.. Playing
Research Engineer (Solar/Batteries O.O#. #.O#. with
/Software/Embedded Controllers) .OO#. .OO#. rocks...1k
---------------------------------------------------------------------------
Sent from my phone. Please excuse my brevity.
Rebecca <rebecca0420 at yahoo.cn> wrote:
>Hi,
>If I have a matrix like
>1� 2� 3� 4
>5� 6� 7� 8,
>how can I repeat two rows as whole, to be like
>1� 2� 3� 4
>5� 6� 7� 8
>1� 2� 3� 4
>5� 6� 7� 8?
>�
>Since I have more two rows in a matrix and I need to repeat many times,
>I wonder whether there is a convenient command to do so.
>�
>Thanks!
> [[alternative HTML version deleted]]
>
>______________________________________________
>R-help at r-project.org mailing list
>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.
More information about the R-help
mailing list