ctrdata-package | ctrdata: get started, database connection, function overview |
ctrdata | ctrdata: get started, database connection, function overview |
ctrdata-registers | ctrdata: information on clinical trial registers |
ctrFindActiveSubstanceSynonyms | Find synonyms of an active substance |
ctrGetQueryUrl | Get query details |
ctrLoadQueryIntoDb | Load and store register trial information |
ctrOpenSearchPagesInBrowser | Open stored query in register or its search page |
dbFindFields | Find names of fields in the database collection |
dbFindIdsUniqueTrials | Get identifiers of deduplicated trial records |
dbGetFieldsIntoDf | Create data frame of specified fields from database collection |
dbQueryHistory | Show history of queries loaded into a database collection |
dfListExtractKey | Extract named element(s) from list(s) into long-format data frame |
dfMergeTwoVariablesRelevel | Merge two variables (superseded) |
dfMergeVariablesRelevel | Merge variables, keeping type, and optionally relevel factors |
dfName2Value | Get value for variable of interest |
dfTrials2Long | Convert data frame with trial records into long format |
installCygwinWindowsDoInstall | Install necessary helper apps (Windows only) |