Re: [igraph] how to change attribute value

[Simone Gabbriellini]

Gabor, 

thanks very much, of course you're right...

best,
Simone

Il giorno 29/ott/2010, alle ore 17.46, Gábor Csárdi ha scritto:

> Hi Simone,
> 
> On Fri, Oct 29, 2010 at 5:38 PM, Simone Gabbriellini
> <address@hidden> wrote:
>> Hello List,
>> 
>> I have two node attributes, name and colorname. I then have a list of values 
>> containing some of the nodes names. I would like to change the value of 
>> colorname for just the listed nodes.
>> 
>> I am using this but without success:
>> 
>> V(g)[name == listOfNodeNames]$colorname<-"violet"
> 
> This is not good, 'name' and 'listOfNodeNames' are two vectors after
> all. You cannot say
> 
> v1 <- c(1,2,3)
> v2 <- c(3,5,6,7,8)
> v1 == v2
> 
> in R after all. (Well, you can, but it does not make sense.)
> 
> One way to do what you want is
> 
> V(g)[name %in% listOfNodeNames]$colorname <- "violet"
> 
> Best,
> Gabor
> 
>> thanks for the help,
>> Simone
>> _______________________________________________
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>> address@hidden
>> http://lists.nongnu.org/mailman/listinfo/igraph-help
>> 
> 
> 
> 
> -- 
> Gabor Csardi <address@hidden>     UNIL DGM
> 
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