'Re: [R] Pairwise table from cloumns'

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List:       r-help
Subject:    Re: [R] Pairwise table from cloumns
From:       PIKAL Petr <petr.pikal () precheza ! cz>
Date:       2016-05-31 13:19:44
Message-ID: 6E8D8DFDE5FA5D4ABCB8508389D1BF88C502D18F () SRVEXCHMBX ! precheza ! cz
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Hi

your message is rather scrambled and to be honest not well understandable (by me).

having two column matrix

> mat<-matrix(1:8, 4,2)
> mat
     [,1] [,2]
[1,]    1    5
[2,]    2    6
[3,]    3    7
[4,]    4    8

You can calculate eg. distance

> dist(mat, diag=T, upper=T)
         1        2        3        4
1 0.000000 1.414214 2.828427 4.242641
2 1.414214 0.000000 1.414214 2.828427
3 2.828427 1.414214 0.000000 1.414214
4 4.242641 2.828427 1.414214 0.000000

But from your description I do not understand how you want to reshape your data.

Example, please.

Regards
Petr

> -----Original Message-----
> From: R-help [mailto:r-help-bounces@r-project.org] On Behalf Of ameneh
> deljoo
> Sent: Tuesday, May 31, 2016 12:13 PM
> To: r-help@r-project.org
> Subject: [R] Pairwise table from cloumns
> 
> *Hi Group
> **I have a large data set of individual pairwise values (100 rows) **that I**
> need to reshape into a pairwise matrix for mantel tests of similarity these
> values** .
> **I need this matrix for a Pathfinder network analysis. *
> 
> *I have a different data(word) such as :*
> 
> 
> 
> 
> 
> living thing
> 0
> 
> 
> animal
> 1
> 
> 
> blood
> 2
> 
> 
> bird
> 3
> 
> 
> feathers
> 4
> 
> 
> robin
> 5
> 
> 
> chicken
> ....
> 6
> 
> 
> 
> *I need the final matrix to be formatted as based on the similarity
> **      A1    A2    A3    A4
> ** A1  0     32   40     32
> * *A2  32    0    49     38
> ** A3  40    49   0      53
> ** A4  32    38   53     0*
> 
> *....*
> 
> 
> Are there any functions/packages that will make this easier? Thanks Ameneh
> 
> [[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help@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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