multi_val_cols: Extract Multi-Valued Columns

In KO112/KO: Kevin O'Brien's Personal Package

Description

Extract columns from a data frame that have more than one unique value.

Usage

multi_val_cols(df)

Arguments

df	An object inheriting from a data.frame (e.g. data.table/tibble).

Value

The columns of df that have more than one unique value.

Examples

multi_val_cols(data.frame(a = c(1, 1, 1), b = c("a", "a", "a")))
multi_val_cols(data.frame(a = c(1, 1, 1), b = c(1, 2, 3),
                          c = c('a', 'a', 'a'), d = c('a', 'a', 'b')))
multi_val_cols(data.frame(a = c(1, 1, 3), b = c(1, 2, 3),
                          c = c('a', 'b', 'a'), d = c('a', 'a', 'b')))

KO112/KO documentation built on Oct. 2, 2020, 9:21 a.m.