Introduction to R for Clinical Data Management

Basic Data Quality Checks in R

Code Example 1

30-45 minutes Applied Step 7 of 19

Code

Code Example 1

7 / 19

Code

Code Example 1

enrollment_data |>
  summarise(
    n_records = n(),
    missing_participant_id = sum(is.na(participant_id)),
    missing_site = sum(is.na(site)),
    missing_consent_date = sum(is.na(consent_date)),
    missing_age = sum(is.na(age_years))
  )