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