chk_duplicate: Audits values in columns for duplicate values.

In lwjohnst86/PROMISE.audit: Identifies Unexpected Values in the PROMISE Datasets

Description

Among other things, uses assertr::is_uniq.

Usage

chk_duplicate(.data, .variables)

Arguments

.data	Data to audit.
.variables	Column variables to check.

Value

Adds attribute that contains the audit errors, if any, to the data. Use aud_report() to view the audit fails.

Examples

library(magrittr)

# dataset with one duplicate value between id and time
ds <- data.frame(
id = c(rep(1:3, each = 2), 3),
time = c(rep(1:2, times = 3), 1)
)
ds

flaws <- chk_duplicate(ds, c("id", "time"))
aud_report(flaws) # Should be one

flaws <- chk_duplicate(ds, c("id"))
aud_report(flaws) # Should be all of them

lwjohnst86/PROMISE.audit documentation built on May 6, 2019, 9:54 a.m.