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< img src = "" class = "logo" alt = "" > < h1 > Simple REDCap workflow< / h1 >
< small class = "dont-index" > Source: < a href = "https://github.com/agdamsbo/stRoke/blob/HEAD/vignettes/redcap.Rmd" class = "external-link" > < code > vignettes/redcap.Rmd< / code > < / a > < / small >
< div class = "d-none name" > < code > redcap.Rmd< / code > < / div >
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< div class = "sourceCode" id = "cb1" > < pre class = "downlit sourceCode r" >
< code class = "sourceCode R" > < span > < span class = "kw" > < a href = "https://rdrr.io/r/base/library.html" class = "external-link" > library< / a > < / span > < span class = "op" > (< / span > < span class = "va" > < a href = "https://agdamsbo.github.io/stRoke/" class = "external-link" > stRoke< / a > < / span > < span class = "op" > )< / span > < / span > < / code > < / pre > < / div >
< div class = "section level2" >
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< h2 id = "initial-note" > Initial note< a class = "anchor" aria-label = "anchor" href = "#initial-note" > < / a >
< / h2 >
< p > Please refer to the book < a href = "https://agdamsbo.github.io/neuRo-group/" class = "external-link" > “neuRo-group”< / a > for a
more thorough guide on using R and REDCap together in data analysis, but
also for notes and advices on how to build a REDCap database. Note, that
this book is a work in progress with no goal of “completion”.< / p >
< / div >
< div class = "section level2" >
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< h2 id = "working-with-data-from-redcap" > Working with data from REDCap< a class = "anchor" aria-label = "anchor" href = "#working-with-data-from-redcap" > < / a >
< / h2 >
< p > < a href = "https://www.project-redcap.org" class = "external-link" > REDCap< / a > is an excellent
tool for clinical data acquisition and storage. It is widely used world
wide and is the standard tool for medical research data in Denmark.< / p >
< p > In the case of analysing data directly whole storing data in REDCap,
the API functionality is very convenient and secure, as you are not
storing (possibly) sensitive data permanently on your computer.< / p >
< p > When using the “events” or “repeated instruments” functionality of
REDCap, the data storage format is a little confusing to work with, when
being accustomed to tidy data.< / p >
< p > The < a href = "https://ouhscbbmc.github.io/REDCapR/" class = "external-link" > < code > library(REDCapR)< / code > < / a >
provides a simple way of working with data, however, the package just
exports data in standard format.< / p >
< div class = "section level3" >
< h3 id = "examples" > Examples< a class = "anchor" aria-label = "anchor" href = "#examples" > < / a >
< / h3 >
< div class = "sourceCode" id = "cb2" > < pre class = "downlit sourceCode r" >
< code class = "sourceCode R" > < span > < span class = "kw" > < a href = "https://rdrr.io/r/base/library.html" class = "external-link" > library< / a > < / span > < span class = "op" > (< / span > < span class = "va" > < a href = "https://ouhscbbmc.github.io/REDCapR/" class = "external-link" > REDCapR< / a > < / span > < span class = "op" > )< / span > < / span >
< span > < span class = "co" > # Returns the variables "record_id" and "age".< / span > < / span >
< span > < span class = "va" > ds_some_vars< / span > < span class = "op" > < -< / span > < span class = "fu" > < a href = "https://ouhscbbmc.github.io/REDCapR/reference/redcap_read.html" class = "external-link" > redcap_read< / a > < / span > < span class = "op" > (< / span > < / span >
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< span > redcap_uri < span class = "op" > =< / span > < span class = "st" > "https://redcap.au.dk/api/"< / span > ,< / span >
< span > < span class = "co" > # This is the address for projects at the AU-server< / span > < / span >
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< span > token < span class = "op" > =< / span > < span class = "st" > "YOUR_API_KEY_GOES_HERE"< / span > ,< / span >
< span > fields < span class = "op" > =< / span > < span class = "fu" > < a href = "https://rdrr.io/r/base/c.html" class = "external-link" > c< / a > < / span > < span class = "op" > (< / span > < span class = "st" > "record_id"< / span > , < span class = "st" > "age"< / span > < span class = "op" > )< / span > < / span >
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< span > < span class = "op" > )< / span > < span class = "op" > $< / span > < span class = "va" > data< / span > < / span >
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< span > < / span >
< span > < span class = "co" > # Return only records with IDs of 1 and 4< / span > < / span >
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< span > < span class = "va" > ds_some_rows< / span > < span class = "op" > < -< / span > < span class = "fu" > < a href = "https://ouhscbbmc.github.io/REDCapR/reference/redcap_read.html" class = "external-link" > redcap_read< / a > < / span > < span class = "op" > (< / span > redcap_uri < span class = "op" > =< / span > < span class = "st" > "https://redcap.au.dk/api/"< / span > ,< / span >
< span > < span class = "co" > # This is the address for projects at the AU-server< / span > < / span >
< span > token < span class = "op" > =< / span > < span class = "st" > "YOUR_API_KEY_GOES_HERE"< / span > ,< / span >
< span > records < span class = "op" > =< / span > < span class = "fu" > < a href = "https://rdrr.io/r/base/c.html" class = "external-link" > c< / a > < / span > < span class = "op" > (< / span > < span class = "fl" > 1< / span > , < span class = "fl" > 4< / span > < span class = "op" > )< / span > < span class = "op" > )< / span > < span class = "op" > $< / span > < span class = "va" > data< / span > < / span > < / code > < / pre > < / div >
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< p > < em > more will be added< / em > < / p >
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< p > Developed by Andreas Gammelgaard Damsbo.< / p >
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