Re: [R] Removing duplicates from a list

2009-01-14 Thread Daniel Malter 
?unique

unique(list1) 


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cuncta stricte discussurus
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Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Im
Auftrag von glenn
Gesendet: Wednesday, January 14, 2009 8:20 AM
An: r-help@r-project.org
Betreff: [R] Removing duplicates from a list

For a list say;

list1-{1,2,3,4,5,2,1}

How do I remove the duplicates please?
My real list is 20,000 obs long of dates with many duplicates

Regards

Glenn

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Re: [R] Removing duplicates from a list

2009-01-14 Thread baptiste auguie 
Your dummy data is not a reproducible example. I'm guessing ?unique  
could help you.


Hope this helps,

baptiste

On 14 Jan 2009, at 13:19, glenn wrote:


For a list say;

list1-{1,2,3,4,5,2,1}

How do I remove the duplicates please?
My real list is 20,000 obs long of dates with many duplicates

Regards

Glenn

   [[alternative HTML version deleted]]

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and provide commented, minimal, self-contained, reproducible code.


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Baptiste Auguié

School of Physics
University of Exeter
Stocker Road,
Exeter, Devon,
EX4 4QL, UK

Phone: +44 1392 264187

http://newton.ex.ac.uk/research/emag

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Re: [R] Removing duplicates from a list

2009-01-14 Thread Dimitris Rizopoulos 

have a look at ?unique(), e.g.,

unique(c(1,2,3,4,5,2,1))


I hope it helps.

Best,
Dimitris


glenn wrote:

For a list say;

list1-{1,2,3,4,5,2,1}

How do I remove the duplicates please?
My real list is 20,000 obs long of dates with many duplicates

Regards

Glenn

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and provide commented, minimal, self-contained, reproducible code.



--
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus Medical Center

Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014

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Re: [R] Removing duplicates from a list

2009-01-14 Thread Henrique Dallazuanna 
Try this:

unique(list1)

On Wed, Jan 14, 2009 at 11:19 AM, glenn g1enn.robe...@btinternet.comwrote:

 For a list say;

 list1-{1,2,3,4,5,2,1}

 How do I remove the duplicates please?
 My real list is 20,000 obs long of dates with many duplicates

 Regards

 Glenn

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 __
 R-help@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.




-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40 S 49° 16' 22 O

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Re: [R] Removing duplicates from a list

2009-01-14 Thread Duncan Murdoch 

On 14/01/2009 8:19 AM, glenn wrote:

For a list say;

list1-{1,2,3,4,5,2,1}

How do I remove the duplicates please?
My real list is 20,000 obs long of dates with many duplicates


See ?unique.

Duncan Murdoch

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