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clinpubr (version 1.1.1)

formula_add_covs: Add covariates to a formula

Description

Add covariates to a formula. Support both formula and character string.

Usage

formula_add_covs(formula, covars)

Value

A formula.

Arguments

formula

A formula. Should be a formula or a character string of formula.

covars

A vector of covariates.

Examples

Run this code
formula_add_covs("y ~ a + b", c("c", "d"))

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