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## [igraph] segmenting graphs

**From**: |
Tom Wright |

**Subject**: |
[igraph] segmenting graphs |

**Date**: |
Mon, 05 May 2014 16:18:44 -0400 |

Hi,
I'm trying to use iGraph in the R environment and I'm getting confused.
It seems to me that what I want to do should be simple but...
t<-graph.empty()
t<-t+vertices(c('r',LETTERS[1:9]))
t['r',D.vertices[,1],attr='weight']<-1
t['A','B']<-1
t['r','A']<-FALSE
I want to get the subgraph with vertex 'A' as the root, i.e. vertices
{'A','B'}
t['A'] seems to give me the children of A but I'm not sure how to use
this in the induced.subgraph()
Thanks
Tom

**[igraph] segmenting graphs**,
*Tom Wright* **<=**