These functions are gone, no longer available.
Details
cr_citation()
: Crossref is trying to sunset their OpenURL API, which this function uses. So this function is now removed. See the functioncr_cn()
, which does the same things, but with more functionality, using the new Crossref API.pmid2doi()
anddoi2pmid()
: The API behind these functions is down for good, seeid_converter()
for similar functionality.cr_search()
: The functionality of this function can be achieved with the new Crossref API. See functionscr_works()
et al.cr_search_free()
: The functionality of this function can be achieved with the new Crossref API. See functionscr_works()
et al.crosscite()
: The functionality of this function can be achieved withcr_cn()
cr_fundref()
: Crossref changed their name "fundref" to "funders", so we've changed our function, seecr_funders()
cr_ft_text()
: This function and other text mining functions are incorporated in a new packagecrminer
.cr_ft_links()
: This function and other text mining functions are incorporated in a new packagecrminer
.cr_ft_pdf()
: This function and other text mining functions are incorporated in a new packagecrminer
.cr_ft_plain()
: This function and other text mining functions are incorporated in a new packagecrminer
.cr_ft_text()
: This function and other text mining functions are incorporated in a new packagecrminer
.cr_ft_xml()
: This function and other text mining functions are incorporated in a new packagecrminer
.as.tdmurl()
: This function and other text mining functions are incorporated in a new packagecrminer
.extract_xpdf()
: This function and other text mining functions are incorporated in a new packagecrminer
.