Function reference • REDCapDM

Import data

Function to easily import data from a REDCap project into R for analysis.

redcap_data(): Read REDCap data

Process data

Functions to process the REDCap data once it’s imported into R

rd_transform(): Transformation of the raw data

rd_rlogic(): REDCap logic into R logic

rd_insert_na(): Insert missing using a filter

Query generation

Functions involved in the query generation to validate the REDCap data

rd_query(): Identification of queries

rd_event(): Identification of missing event(s)

check_queries(): Check for changes between two reports of the queries

rd_export(): Exporting the dataset of the queries

Built-in dataset

Dataset that is included in the package for testing

covican: Subset of the COVICAN's database

Auxiliar functions

Auxiliar functions involved in the REDCap data processing

checkbox_names(): Change checkboxes names into the name of their options

fill_data(): Fill rows with the values in one event

recalculate(): Recalculate REDCap calculated fields

split_event(): Creation of a data frame with variables of all the forms of a specified event

split_form(): Creation of a data frame with variables of a specified form

to_factor(): Convert variables to factors

transform_checkboxes(): Transformation of checkboxes in case of having a branching logic