On Wed, 30 Jun 2021, Federico Calboli writes:
> Hello All,
>
> I am playing with igraph (which seems to work for what I have used it).
> Nevetheless:
>
> demo('community', package="igraph")
>
>
>
> demo(community)
> ---- ~~~~~~~~~
>
> Type <Return> to start :
>
>> pause <- function() {}
>
>> ### A modular graph has dense subgraphs
>> mod <- make_full_graph(10) %du% make_full_graph(10) %du% make_full_graph(10)
> Error in make_full_graph(10) %du% make_full_graph(10) %du%
> make_full_graph(10) :
> could not find function "%du%”
>
>
> For the life of mine I cannot find where %du5 is meant
> to come from. Any clues? also, any suggestion 9other
> than Google) to *efficiently* find whatever
> dependencies I might be missing? I did install igraph
> with dependencies = T… but one never knows.
>
> My:
>> sessionInfo()
> R version 4.1.0 (2021-05-18)
> Platform: x86_64-apple-darwin17.0 (64-bit)
> Running under: macOS Mojave 10.14.6
>
> Matrix products: default
> BLAS:
> /Library/Frameworks/R.framework/Versions/4.1/Resources/lib/libRblas.dylib
> LAPACK:
> /Library/Frameworks/R.framework/Versions/4.1/Resources/lib/libRlapack.dylib
>
> locale:
> [1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] dplyr_1.0.7 magrittr_2.0.1
>
> loaded via a namespace (and not attached):
> [1] fansi_0.5.0 utf8_1.2.1 crayon_1.4.1 R6_2.5.0
> lifecycle_1.0.0 pillar_1.6.1 rlang_0.4.11 vctrs_0.3.8
> generics_0.1.0
> [10] ellipsis_0.3.2 tools_4.1.0 glue_1.4.2 purrr_0.3.4
> compiler_4.1.0 pkgconfig_2.0.3 tidyselect_1.1.1 tibble_3.1.2
>
>
>
>
>
>
>
> --
> Federico Calboli
> LBEG - Laboratory of Biodiversity and Evolutionary Genomics
> Charles Deberiotstraat 32 box 2439
> 3000 Leuven
> +32 16 32 87 67
>
You need to quote the name:
?`%du%`
igraph::`%du%`
You may need to say
library("igraph")
before you run the demo.
--
Enrico Schumann
Lucerne, Switzerland
http://enricoschumann.net
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