Running examples in 'isa2-Ex.R' failed
The error most likely occurred in:

> ### Name: isa.sweep
> ### Title: Create a hierarchical structure of ISA biclusters
> ### Aliases: isa.sweep isa.sweep,matrix-method sweep.graph
> ###   sweep.graph,list-method
> ### Keywords: cluster
> 
> ### ** Examples
> 
> ## In-silico data
> set.seed(1)
> insili <- isa.in.silico()
Creating in-silico data set 
DONE 
> 
> ## Do ISA with a bunch of row thresholds while keeping the column
> ## threshold fixed. This is quite an artificial example...
> isares <- isa(insili[[1]], thr.row=c(0.5,1,2), thr.col=0)
Performing complete ISA work flow 
ISA normalization 
DONE 
Generating seeds 
DONE 
Doing ISA iteration 
DONE 
Doing ISA iteration 
DONE 
Doing ISA iteration 
DONE 
Creating unique module set 
DONE 
Creating unique module set 
DONE 
Creating unique module set 
DONE 
Filtering ISA result for robustness... 
Calculating ISA robustness 
DONE 
ISA normalization 
DONE 
Doing ISA iteration 
DONE 
Calculating ISA robustness 
DONE 
DONE. 
Filtering ISA result for robustness... 
Calculating ISA robustness 
DONE 
ISA normalization 
DONE 
Doing ISA iteration 
DONE 
Calculating ISA robustness 
DONE 
DONE. 
Filtering ISA result for robustness... 
Calculating ISA robustness 
DONE 
ISA normalization 
DONE 
Doing ISA iteration 
DONE 
Calculating ISA robustness 
DONE 
DONE. 
Creating unique module set 
DONE 
DONE 
> 
> ## Create a nice tree from the modules, we need the normed data for this
> nm <- isa.normalize(insili[[1]])
ISA normalization 
DONE 
> isa.tree <- isa.sweep(insili[[1]], nm, isares)
Performing an ISA sweep 
Doing ISA iteration 
DONE 
Creating unique module set 
DONE 
Calculating ISA robustness 
DONE 
DONE 
> network <- sweep.graph(isa.tree)
Loading required namespace: igraph
Failed with error:  'DLL 'magrittr' not found: maybe not installed for this architecture?'
Error in sweep.graph.default(sweep.result, ...) : 
  The igraph package is required for sweeping
Calls: sweep.graph -> sweep.graph -> sweep.graph.default
Execution halted