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## Re: [igraph] add vertex label shortest path

**From**: |
joe j |

**Subject**: |
Re: [igraph] add vertex label shortest path |

**Date**: |
Thu, 30 Jun 2011 10:55:46 +0200 |

Thanks a lot, Tamas! It worked.
J.
On Thu, Jun 30, 2011 at 10:38 AM, Tamas Nepusz <address@hidden> wrote:
>* Hi Joe,*
>
>* Assuming that your graph is y and it has a "name" attribute containing the*
>* vertex names, V(y)$name gives you the name of each vertex. You can then*
>* index this list with the first column of y_s to remap the indices to names:*
>
>* y_s[,1] <- V(y)$name[y_s[,1]]*
>
>* Similarly for the second column:*
>
>* y_s[,2] <- V(y)$name[y_s[,2]]*
>
>* --*
>* T.*
>
>* On 06/29/2011 02:52 PM, joe j wrote:*
>*> #code for generating shortest path matrix and creating a 3 columns*
>*> y_s<-shortest.paths(y, weights = NULL)*
>*> y_s <- melt(y_s)[melt(upper.tri(y_s))$value,]*
>*> names(y_s) <- c("vertex1", "vertex2", "shortestpath")*
>*>*
>
>* _______________________________________________*
>* igraph-help mailing list*
>* address@hidden*
>* https://lists.nongnu.org/mailman/listinfo/igraph-help*
>