Language field contains the following invalid language tags:
  r(>=3.3.0)
Language field contains the following invalid language tags:
  r(>=3.3.0)
Language field contains the following invalid language tags:
  r(>=3.3.0)
Language field contains the following invalid language tags:
  r(>=3.3.0)
Language field contains the following invalid language tags:
  r(>=3.3.0)

Namespace in Imports field not imported from: ‘Matrix’
  All declared Imports should be used.
Namespace in Imports field not imported from: ‘Matrix’
  All declared Imports should be used.
Running examples in ‘EmbedSOM-Ex.R’ failed
The error most likely occurred in:

> ### Name: RandomMap
> ### Title: Create a map by randomly selecting points
> ### Aliases: RandomMap
> 
> ### ** Examples
> 
> d <- iris[,1:4]
> EmbedSOM::PlotEmbed(
+   EmbedSOM::EmbedSOM(
+     data = d,
+     map = EmbedSOM::RandomMap(d, 30, EmbedSOM::GraphCoords())),
+   pch=19, clust=iris[,5]
+ )

 *** caught segfault ***
address 0x1, cause 'memory not mapped'

Traceback:
 1: EmbedSOM::EmbedSOM(data = d, map = EmbedSOM::RandomMap(d, 30,     EmbedSOM::GraphCoords()))
 2: EmbedSOM::PlotEmbed(EmbedSOM::EmbedSOM(data = d, map = EmbedSOM::RandomMap(d,     30, EmbedSOM::GraphCoords())), pch = 19, clust = iris[, 5])
An irrecoverable exception occurred. R is aborting now ...

Running 'testthat.R' [1s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library(testthat)
  > library(fedmatch)
  > 
  > test_check("fedmatch")
Error(s) in re-building vignettes:
--- re-building 'Fuzzy-matching.Rmd' using rmarkdown
--- re-building 'Intro-to-fedmatch.Rmd' using rmarkdown
--- re-building 'Multivar_matching.Rmd' using rmarkdown
--- finished re-building 'Multivar_matching.Rmd'

--- re-building 'Using-clean-strings.Rmd' using rmarkdown
--- finished re-building 'Using-clean-strings.Rmd'

--- re-building 'Using-tier-match.Rmd' using rmarkdown
--- finished re-building 'Using-tier-match.Rmd'

SUMMARY: processing the following files failed:
  'Fuzzy-matching.Rmd' 'Intro-to-fedmatch.Rmd'

Error: Vignette re-building failed.
Execution halted