make_instrument: Extract an Instrument from an REDCap Export

In tidyREDCap: Helper Functions for Working with 'REDCap' Data

Extract an Instrument from an REDCap Export

Description

This function takes a data frame and the names of the first and last variables in an instrumnt and returns a data frame with the instrument.

Usage

make_instrument(
  df,
  first_var,
  last_var,
  drop_which_when = FALSE,
  record_id = "record_id"
)

Arguments

df	A data frame with the instrument
first_var	The name of the first variable in an instrument
last_var	The name of the last variable in an instrument
drop_which_when	Drop the record_id and redcap_event_name variables
record_id	Name of record_id variable (if it was changed in REDCap)

Value

A data frame that has an instrument (with at least one not NA value)

tidyREDCap documentation built on May 31, 2023, 7:03 p.m.