overall_status_lengths, a function that interprets a
downloaded data frame of historical versions and tallies up the days
that each clinical trial registry entry spent in each overall status
within the time frame specified.clinicaltrials_gov_dates, the function for downloading
overall status changes and the dates on which they occur to allow
for downloading many trials' worth at a time.earliest argument to clinicaltrials_gov_download to allow
a user to specify that they would like to download only the earliest
version of a trial recordlocations data downloadextract_publications to extract publications by
type from a data frame of downloaded versions into a new data frame.latest to function clinicaltrials_gov_download to
allow downloading only the latest version for many clinical trial
registry entries--
cthist sometimes can't connect to
ClinicalTrials.gov by replacing the statement that included
RCurl::url.exists() with one that uses httr::http_error()
insteadpolite dependency and functionalitypolite variable to allow disabling of "polite" downloading
for debugging purposes.data$n syntaxclinicaltrials_gov_version() (citations,
links and available IPD/Information) and drks_de_version() (Trial
Publications, Results and other Documents)clinicaltrials_gov_download() and
drks_de_download() that the Internet resources are available and
fails gracefully in the case that they're notstatus_change_only option to clinicaltrials_gov_dates()
function to allow for downloading only the dates on which a trial's
Recruitment Status changedcthist does not capture outcome measures in versions
posted after results are posted.polite R package to ensure that the sites' rules
regarding scraping are observed, and to limit the number of requestsclinicaltrials_gov_download() and drks_de_download() now return
a data frame of results if output_filename is not specifiedclinicaltrials_gov_version() and drks_de_version() now return
named lists rather than vectorsclinicaltrials_gov_version() and
drks_de_version()clinicaltrials_gov_version()li.deadline node, causing formatting errorsclinicaltrials_gov_version_dates to
clinicaltrials_gov_dates for brevityclinicaltrials_gov_version_data to
clinicaltrials_gov_version for brevitydrks_de_version_dates to
drks_de_dates for brevitydrks_de_version_data to
drks_de_version for brevityNEWS.md file to track changes to the package.clinicaltrials_gov_version_dates to download dates
on which a ClinicalTrials.gov registry entry is updatedclinicaltrials_gov_version_data to download
registry data for a specific historical version of a clinical trial
registry entry from ClinicalTrials.govclinicaltrials_gov_download to mass-download all
historical versions of a set of ClinicalTrials.gov registry entrydrks_de_version_dates to download dates
on which a DRKS.de registry entry is updateddrks_de_version_data to download
registry data for a specific historical version of a clinical trial
registry entry from DRKS.dedrks_de_download to mass-download all
historical versions of a set of DRKS.de registry entry