extract_digits: Extraction of First or Last Digits

In digitTests: Tests for Detecting Irregular Digit Patterns

Extraction of First or Last Digits

Description

This function extracts the first (and optionally second) or last digits in a vector.

Usage

extract_digits(x, check = 'first', include.zero = FALSE)

Arguments

x	a numeric vector.
check	location of the digits to extract. Can be first, firsttwo, or last.
include.zero	logical. Whether to include the digit zero in the output.

Value

A vector of first (and optionally second) or last digits.

Author(s)

Koen Derks, [e-mail]

Examples

set.seed(1)
x <- rnorm(100)

# Extract first digits (without zero)
extract_digits(x, check = 'first')

# Extract last digits (including zero)
extract_digits(x, check = 'last', include.zero = TRUE)

digitTests documentation built on June 16, 2022, 5:11 p.m.