Re: [igraph] Creating graphs: Error in seq_len(no) : argument must be coercible to non-negative integer

[Gábor Csárdi]

Well, there is no limit on the number of attributes, they are just put
in an R list.

I am not what we can do without some code that reproduces this.

Gabor

On Thu, Jul 16, 2015 at 5:13 PM, David Robinson
<address@hidden> wrote:
> Hi
>
>
>
> Subsequent to updating to the latest version of igraph I get the error
> message:
>
>
>
> “Error in seq_len(no) : argument must be coercible to non-negative integer”
>
>
>
> when creating an igraph object with certain attribute characteristics (ie
> many attributes) the error is generated. I have tried to pin down the cause
> and have failed to do so but does seem to be associated with the number of
> edge or vertex attributes (80+). Interestingly, changing the method of
> creating attributes from add.vertices to assigning values directly to the
> graph (eg V(g)$numeric <- c(1,2,3,4)) alleviates this problem some of the
> time, but not all the time.
>
>
>
> I attempted to create some code to reproduce in toy example but have failed.
> In short the code worked in previous version and now does not so I am
> assuming it is a bug. Here is session info.
>
>
>
> sessionInfo()
>
>
>
> R version 3.2.1 (2015-06-18)
>
> Platform: x86_64-w64-mingw32/x64 (64-bit)
>
> Running under: Windows 7 x64 (build 7601) Service Pack 1
>
>
>
> locale:
>
> [1] LC_COLLATE=English_New Zealand.1252  LC_CTYPE=English_New Zealand.1252
> LC_MONETARY=English_New Zealand.1252
>
> [4] LC_NUMERIC=C                         LC_TIME=English_New Zealand.1252
>
>
>
> attached base packages:
>
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
>
>
> other attached packages:
>
> [1] fastcluster_1.1.16         plyr_1.8.3      stringr_0.6.2 igraph_1.0.1
>
>
>
> loaded via a namespace (and not attached):
>
> [1] magrittr_1.5       tools_3.2.1     Rcpp_0.11.6   stringi_0.5-5
>
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