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Questions tagged [redcap]

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/

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Is it possible to create a REDCap question that autofills based on previous answers?

I am working on a research project and I have an eligibility screener. I'd like to have a question at the end that is hidden from participants that shows "eligible - yes or no?" and autofills based on their questions to previous answers. Is this…
Melissa Adkins-Hempel
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R, ggplot, combine 10 variables into one bar graph

I have data that I've extracted from a site called "Redcap", the data looks like this on Redcap: I.e. it was one "question" that respondents could pick multiple answers for, but they all got graphed together. To reiterate, the answers were NOT…
Joe Crozier
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Review needed on equation in REDCap

I am working on a CRF with REDCap for a master project however I have run into a problem with some programming. I'm trying to set up an equation for some intervals, the following example is for body temperature (in Celsius). I am trying to integrate…
Philip Olsson
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REDCap - Sending out automated emails after searching in the data for condition

I am migrating sql server database into REDCap. I am new to REDCap and I am still investigating the features of REDCap. I am building a survey form that will collect all the data into REDCap. Once the data is there in the REDCap, I want to send…
Raja
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Error: Result 1 must be a single string, not a character vector of length 0 when using "make_choose_all_table" from tidyREDCap

I am receiving an error when using make_choose_all_table() from the tidyREDCap package and I'm hoping someone can help me understand what it means. When I export my data from REDCap using REDCapR and then run the code make_choose_all_table() the…
Syb
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Is there an R function that returns the console output as a string?

Long story short, I am trying to migrate a really large project from one REDCap server to another using an API through R. I won't go into details, but it is looking like I have to transfer the tabular data across cell by cell. By my calculations,…
Dieu94
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Variables with different options

I have two REDCap projects that I have to stack on top of each other. It has many variables that I am reformatting. My question is if the same variable on two different projects was coded differently, do I just need to just reformat the variable on…
Maleeha Shahid
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Creating New Participants Under the Same REDCap Record; Generating Additional Identifier IDs for Records

I am working on a research project with a goal of identifying individual and household-level risk factors for positive SARS-CoV2 antibody status among residents. Our research team is administering a household survey to participating households that…
JackJackAttack0214
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analyse multiple row dependig of the value of the first?

I have this table : record_id result date_start date_end 1 1 pos 2 1 26/06/2019 28/06/2019 3 1 27/06/2019 29/06/2019 4 1 28/06/2019 30/06/2019 5 1 …
Aytan
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Custom data validation when import csv file in REDCap

Is there a way to create a customized validator to validate the data that is imported from csv file in REDCap?
Tri Vi
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How to extract decode JSON from REDCap Array with PHP

I have an JSON Export from a REDCap and it started as a nested ARRAY. I use json_decode, but when I print the result I get an ERROR. Here is the…
pap
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How to call PHPCap external package in laravel 5.5

I need to use the below package in Laravel 5.5 it's an external package. https://github.com/iuredcap/phpcap I download zip from above the GitHub URL and phpcap directory added in Laravel 5.5 vendor folder. and use below code and in my…
Abid Hussain
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How to read from REDCap forms with data validation into R (REDCapR::readcap_read)

I've been using the REDCapR package to read in data from my survey form. I was reading in the data with no issue using redcap_read until I realized I needed to add a field restriction to one question on my survey. Initially it was a short answer…
lrankin07
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Difficulty connecting to REDCap api in Julia

I am trying to use Julia to connect to the REDCap API. I would like to export a report from a REDCap project as a database. I keep getting a MethodError that I cannot understand Here is the code: (I have de-identified the code, however the URL,…
mdb_ftl
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Making Dynamic Url table column

I have a simple data-table that has a column of record_id numbers. I would like to have an additional column added on that creates a url with the record_id within the url. I tried using the library(urltools) package, but could not figure out how to…
DocProc
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