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

> ### Name: pub_guess_publisher
> ### Title: Guess the publisher from an XML document
> ### Aliases: pub_guess_publisher
> 
> ### ** Examples
> 
> (x <- system.file("examples/pensoft_1.xml", package = "pubchunks"))
[1] "D:/temp/RtmpYRf1qE/RLIBS_1ec481918409b/pubchunks/examples/pensoft_1.xml"
> pub_guess_publisher(x)
$full_name
[1] "Pensoft Publishers"

$short_name
[1] "pensoft"

> 
> (x <- system.file("examples/copernicus_2.xml", package = "pubchunks"))
[1] "D:/temp/RtmpYRf1qE/RLIBS_1ec481918409b/pubchunks/examples/copernicus_2.xml"
> pub_guess_publisher(x)
$full_name
[1] "Copernicus Publications"

$short_name
[1] "copernicus"

> 
> (x <- system.file("examples/peerj_1.xml", package = "pubchunks"))
[1] "D:/temp/RtmpYRf1qE/RLIBS_1ec481918409b/pubchunks/examples/peerj_1.xml"
> pub_guess_publisher(x)
$full_name
[1] "PeerJ Inc."

$short_name
[1] "peerj"

> 
> (x <- system.file("examples/hindawi_1.xml", package = "pubchunks"))
[1] "D:/temp/RtmpYRf1qE/RLIBS_1ec481918409b/pubchunks/examples/hindawi_1.xml"
> pub_guess_publisher(x)
$full_name
[1] "Hindawi"

$short_name
[1] "hindawi"

> 
> (x <- system.file("examples/frontiers_1.xml", package = "pubchunks"))
[1] "D:/temp/RtmpYRf1qE/RLIBS_1ec481918409b/pubchunks/examples/frontiers_1.xml"
> pub_guess_publisher(x)
$full_name
[1] "Frontiers Media S.A."

$short_name
[1] "frontiers"

> 
> (x <- system.file("examples/elife_1.xml", package = "pubchunks"))
[1] "D:/temp/RtmpYRf1qE/RLIBS_1ec481918409b/pubchunks/examples/elife_1.xml"
> pub_guess_publisher(x)
$full_name
[1] "eLife Sciences Publications, Ltd"

$short_name
[1] "elife"

> 
> (x <- system.file("examples/elsevier_1.xml", package = "pubchunks"))
[1] "D:/temp/RtmpYRf1qE/RLIBS_1ec481918409b/pubchunks/examples/elsevier_1.xml"
> pub_guess_publisher(x)
$full_name
[1] "Sociedad Española de Nefrología. Published by Elsevier España, S.L.U."

$short_name
[1] "elsevier"

> 
> x <- system.file("examples/f1000research_1.xml", package = "pubchunks")
> pub_guess_publisher(x)
$full_name
[1] "F1000 Research Limited"

$short_name
[1] "f1000research"

> 
> x <- system.file("examples/plos_1.xml", package = "pubchunks")
> pub_guess_publisher(x)
$full_name
[1] "Public Library of Science"

$short_name
[1] "plos"

> 
> x <- system.file("examples/mdpi_1.xml", package = "pubchunks")
> pub_guess_publisher(x)
$full_name
[1] "MDPI"

$short_name
[1] "mdpi"

> 
> x <- system.file("examples/pubmed_brief_1.xml", package = "pubchunks")
> pub_guess_publisher(x)
Error in library.dynam(lib, package, package.lib) : 
  DLL 'dplyr' not found: maybe not installed for this architecture?
Calls: pub_guess_publisher ... namespaceImportFrom -> asNamespace -> loadNamespace -> library.dynam
Execution halted