check_registry | Check whether registry associated with TRN is correct |
clean_trn | Clean TRN |
databanks | Trial registries and other databanks in MEDLINE and WHO's... |
expect_registry | Does the object match the registry, and should it match? |
has_trn | Check whether each element of input includes a trial... |
mutate_trn_registry | Mutate new column for trial registration number and registry... |
pipe | Pipe operator |
registries | Regexes for trial registries from WHO's ICTRP and MEDLINE |
sample_trn_df | Sample text dataframe for extracting trn's and registries |
which_registries | Check which registry each element of input is from |
which_registry | Check which registry(ies) input is from |
which_trn | Extract TRN(s) from input |
which_trns | Extract TRN(s) from each element of input |
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