col_hasUniqueness: Assess uniqueness of column values with user-defined function

In EvgenyPetrovsky/deeque: Data Quality framework for data frames in R

Description

Uniqueness is defined by formula |v belongs to V | cv = 1| / |V| where V is total set of values that column takes, v - exact value, cv - values count in column In other words - number of values that occur only 1 time divided by total number of possible values. For example uniqueness of [1, 2, 2, 3] is 2/3

Usage

col_hasUniqueness(data, column, udf)

Arguments

data	dataframe
column	column name
udf	user-defined function that takes ratio and returns logical value

EvgenyPetrovsky/deeque documentation built on Jan. 23, 2020, 3:38 a.m.