dt_nunique_perfeat: Number of unique values per feature

In rtemis: Schema-Driven Machine Learning and Visualization

Number of unique values per feature

Description

Number of unique values per feature

Usage

dt_nunique_perfeat(x, excludeNA = FALSE, limit = 20L, verbosity = 1L)

Arguments

x	data.table: Input data.table.
excludeNA	Logical: If TRUE, exclude NA values.
limit	Integer: Print up to this many features. Set to -1L to print all.
verbosity	Integer: If > 0, print output to console.

Value

Named integer vector of length NCOL(x) with number of unique values per column/feature, invisibly.

Author(s)

EDG

Examples

library(data.table)
ir <- as.data.table(iris)
dt_nunique_perfeat(ir)

rtemis documentation built on Oct. 20, 2026, 1:06 a.m.