a secure web application for building and managing online surveys and databases. While REDCap can be used to collect virtually any type of data in any environment, it is specifically geared to support online and offline data capture for research studies and operations. Use this tag when developing a REDCap project, developing a REDCap External Module, or exchanging data through its API. https://www.project-redcap.org/
Questions tagged [redcap]
119 questions
2
votes
4 answers
Using the Tidyverse to the count the frequency of a specific string in REDCap data across multiple columns
I frequently receive data from REDCap surveys in which respondents are permitted to "Check" >1 response to a survey question. Each potential response is housed in its own column. I'd like to summarize the frequency with which each response option…
user2230555
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2
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2 answers
New user account - permission denied to enter a docker
I work on a server (Ubuntu 20.04 LTS (GNU/Linux 5.4.0-40-generic x86_64)).
Somebody else set-up some folders and mysql data bases in a docker redcap-lamp on this server.
In addition, he created a user account for me to enter the server, and the…
danielsmith
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2
votes
1 answer
Ldap query for Authentication based on AD security group
I've seen a couple of posts here on this topic, but I can't manage to authenticate by users in a group. If I point the path to where a user is, authentication is successful. It's like it "cannot read" inside the group. I'm must be missing…
Guys
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2
votes
1 answer
REDCap API import records in Android
I'm trying to use the REDCap API to import records using an Android app. How do I make a button in an activity run the code below when clicked in order upload the data into REDCap? If there is another way to code this, that would be just as helpful.…
Mpgalazka
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1
vote
1 answer
Copying instances from a repeated instruments within a INSTANCETABLE
I have an INSTANCETABLE for a repeated instrument (DRUGS) nested within another repeated instrument (VISIT).
I can have multiple visits and for each visit multiple drugs.
Now, given that drugs do not change often from visit to visit, once I create a…
STEFANO CALZA
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1
vote
1 answer
Questions with Regard to Possibility of Backing Up Version of REDCap Survey for Reverting Back To
I am currently in the process of editing a REDCap survey. I was wondering if it was possible to back up the current version of the REDCap survey prior to changes being made in case one wanted to revert to that version in the future?
For example, if…
1
vote
2 answers
How do I implement SSL in Delphi to connect to a REDCap API server?
I am trying to use XE7 to connect to an in-house REDCap server. REDCap has a detailed description of the API at https://education.arcus.chop.edu/redcap-api/ and a test server at https://bbmc.ouhsc.edu/redcap/api with a test token key. There is…
Mr Gee
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vote
1 answer
How can I join multiple variables into one, without losing information in REDCap?
I am designing a database for a study in REDCap, I come across a problem that I don't really know how to solve since I haven't been using the program for a long time.
In my database, I collect information from several different centers and in each…
Jorge A
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1
vote
1 answer
REDCap programming language for Data Quality checks
What is the programming language in REDCap for data quality checks and branching logic.
So far it's a bit hard to find the correct operators by trial and error.
It would be nice to know where to look for.
yesterday I programmed a data quality check…
ShinyB
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1
vote
1 answer
Populate REDCap dropdown with data from outside source
I think this question may be somewhat similar to this one : REDCap automatically populate fields from earlier records
That said, in that question they were populating the dropdown with data from elsewhere in REDCap, my question pertains to outside…
Joe Crozier
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1
vote
1 answer
What is a non-versioned file?
I've got a php program, on my debian server.
If set it up and changed the php version to 8.1.
Now the server is giving me an error message:
Some non-versioned files are outdated - WARNING: One or more files that are not included in REDCap's version…
Dean
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1
vote
1 answer
Initial survey won't trigger a series of automated surveys. Can someone advice?
I have a survey called 'Set up and kill switch' (image 1) that will trigger a series of weekly surveys to be sent out, but it's not working. I'm not sure if I didn't set it up correctly or if the logic is not right. I attempted to set it up as…
jowpow
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1
vote
0 answers
How to format alert/notification in REDCap to send for each instance of specific form during a data import?
What I need :
When i import data into a project for a repeating form, i need a notification to trigger based off logic in that form. I need this to repeat for each new instance of that form.
What is wrong?
Currently the notification only triggers on…
PomegranateFlorence
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1
vote
0 answers
REDCap surveys not being sent out via Twilio
We are having some trouble with receiving scheduled surveys via text using Twilio and are unsure whether it is an issue with the logic we are using to send out the texts or an issue receiving the texts. Below, I attached a screenshot of the survey…
Mantrim
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1
vote
1 answer
Power Bi dealing with repeated instruments from REDCap
I have data like this:
It comes from REDCap, and as you may be able to tell, the data in the far right columns are repeated variables about each "protocol_title" (the far left column). I.e. "Love it" and "I want a disc instead" are both about…
Joe Crozier
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