check-formula-20: Check formula

In reshape: Flexibly Reshape Data

Check formula

Description

Checks that formula is a valid reshaping formula.

Usage

check_formula(formula, varnames)

Arguments

formula	formula to check
varnames	vector of variable names

Author(s)

Hadley Wickham <[e-mail]>

reshape documentation built on June 19, 2025, 5:08 p.m.