Thanks for the update. I found the wrong info here http://igraph.wikidot.com/r-traps
On Thu, May 9, 2013 at 12:00 PM, <[email protected]> wrote: > Send igraph-help mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.nongnu.org/mailman/listinfo/igraph-help > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of igraph-help digest..." > > > Today's Topics: > > 1. igraph vertex index (ash nix) > 2. Re: igraph vertex index (G?bor Cs?rdi) > 3. Re: igraph vertex index (Szabolcs Horv?t) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Thu, 9 May 2013 11:41:02 -0400 > From: ash nix <[email protected]> > To: [email protected] > Subject: [igraph] igraph vertex index > Message-ID: > < > calde+61rn3hvwxjd1zjzkuqau75y6d-zbry-vfrg3-esrp5...@mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > Hi, > > I am new to igraph and confused about the starting index for vertex. > Many documentation says that starting index for vertex in R is 0. > But on R I get the starting index as 1. > > Please following > > > V(kap)[0] > Vertex sequence: > character(0) > > V(kap)[1] > Vertex sequence: > [1] "moskowitz" > > -- > Thanks, > A > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.nongnu.org/archive/html/igraph-help/attachments/20130509/e6acac3d/attachment.html > > > > ------------------------------ > > Message: 2 > Date: Thu, 9 May 2013 11:43:31 -0400 > From: G?bor Cs?rdi <[email protected]> > To: Help for igraph users <[email protected]> > Subject: Re: [igraph] igraph vertex index > Message-ID: > <CABtg=K=9x8g-TMJ0kC9FmfZDTsfscOw=tH= > [email protected]> > Content-Type: text/plain; charset="iso-8859-1" > > On Thu, May 9, 2013 at 11:41 AM, ash nix <[email protected]> wrote: > > > Hi, > > > > I am new to igraph and confused about the starting index for vertex. > > Many documentation says that starting index for vertex in R is 0. > > > > Where? These are outdated or wrong. See e.g. ?igraph. > > Gabor > > > > But on R I get the starting index as 1. > > > > > Please following > > > > > V(kap)[0] > > Vertex sequence: > > character(0) > > > V(kap)[1] > > Vertex sequence: > > [1] "moskowitz" > > > > -- > > Thanks, > > A > > > > _______________________________________________ > > igraph-help mailing list > > [email protected] > > https://lists.nongnu.org/mailman/listinfo/igraph-help > > > > > > > -- > Gabor Csardi <[email protected]> MTA KFKI RMKI > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.nongnu.org/archive/html/igraph-help/attachments/20130509/6e0cb705/attachment.html > > > > ------------------------------ > > Message: 3 > Date: Thu, 9 May 2013 11:44:10 -0400 > From: Szabolcs Horv?t <[email protected]> > To: Help for igraph users <[email protected]> > Subject: Re: [igraph] igraph vertex index > Message-ID: > <CAJDnrnq4cWcj_Bbd8t_= > [email protected]> > Content-Type: text/plain; charset="utf-8" > > Hi, > > The starting index in R should be 1, not 0. This corresponds to R's > 1-based array indexing. > > There are some functions which will sometimes (incorrectly) return 0-based > indices, see e.g. here: > > http://lists.nongnu.org/archive/html/igraph-help/2013-05/msg00002.html > > > > > On 9 May 2013 11:41, ash nix <[email protected]> wrote: > > > Hi, > > > > I am new to igraph and confused about the starting index for vertex. > > Many documentation says that starting index for vertex in R is 0. > > But on R I get the starting index as 1. > > > > Please following > > > > > V(kap)[0] > > Vertex sequence: > > character(0) > > > V(kap)[1] > > Vertex sequence: > > [1] "moskowitz" > > > > -- > > Thanks, > > A > > > > _______________________________________________ > > igraph-help mailing list > > [email protected] > > https://lists.nongnu.org/mailman/listinfo/igraph-help > > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.nongnu.org/archive/html/igraph-help/attachments/20130509/8308ea8d/attachment.html > > > > ------------------------------ > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > > > End of igraph-help Digest, Vol 82, Issue 8 > ****************************************** > -- Thanks, A
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