On Fri, Oct 1, 2010 at 9:53 AM, anupam sinha <
address@hidden> wrote:
>
>
>
>>
>>
>> Dear all,
>> I have a list of network files for which I want to find
>> the network neighborhoods(order=1) of each of the nodes of these networks.
>> And then store all the subgraphs hence obtained in separate files.Another
>> thing that I would like to do is to name them in such a way so as to figure
>> out from which network file have they originated. But what I am getting as
>> output is an empty file.Here's my code :
>>
>>
>> library("igraph")
>> path <- "path/to/network/files/"
>> files <- dir(path)
>> for(i in 1:length(files)){
>> file <- paste(path,"/",files[i],sep="")
>> g<-read.graph(file,format="ncol",
>> directed=FALSE, weights=FALSE)
>> g<-simplify(g)
>> subgraphs<-graph.neighborhood(g,1,nodes=V(g))
>> for(j in subgraphs){
>> gr_name <- paste(file,j,sep="")
>> write.graph(gr,"/path/tonetwork/files/gr_name.txt",format="ncol")
>> }}
>>
>> Attached herewith are a couple of network files. Can anyone tell where am
>> I going wrong? Thanks in advance.
>>
>> Here's my sessionInfo():
>>
>> R version 2.11.0 (2010-04-22)
>> x86_64-redhat-linux-gnu
>>
>> locale:
>> [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C
>> [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8
>> [5] LC_MONETARY=C LC_MESSAGES=en_US.UTF-8
>> [7] LC_PAPER=en_US.UTF-8 LC_NAME=C
>> [9] LC_ADDRESS=C LC_TELEPHONE=C
>> [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
>>
>> attached base packages:
>> [1] stats graphics grDevices utils datasets methods base
>>
>> other attached packages:
>> [1] igraph_0.5.3
>>
>> loaded via a namespace (and not attached):
>> [1] tools_2.11.0
>>
>>
>> Regards,
>>
>> Anupam Sinha
>>
>>
>>
>>
>>
>
>
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