[R] Merging and sorting multiple data.frame

[Hotz, T.]

Dear Aedin,

Similar questions have been asked quite often on this list.

See FAQ 7.25, the manual "An Introduction to R", and the online
help, especially ?merge, ?sort, ?order, and ?data.frame.

HTH

Thomas


> -----Original Message-----
> From: Culhane, Aedin [mailto:a.culhane at ucc.ie]
> Sent: 15 August 2003 17:07
> To: 'r-help at stat.math.ethz.ch'
> Subject: [R] Merging and sorting multiple data.frame
> 
> 
> Dear R help,
> I'm pretty new to R and would be grateful for help. 
> 
> I have 11 data.frames, each with 3 columns of data. Each has the same
> row.names, however these are not sorted.
> 
> Please tell me the best way to sort these (by row.names) and 
> secondly the
> best way to extract data columns from these to form a merged table.
> 
> Thanks a million
> Aedin
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> 

---

Thomas Hotz
Research Associate in Medical Statistics
University of Leicester
United Kingdom

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