U {rigr}

Create a Partial Formula

Description

Creates a partial formula of the form ~var1 + var2. The partial formula can be named by adding an equals sign before the tilde.

Usage

U(...)

Arguments

...

partial formula of the form ~var1 + var2.

Value

A partial formula (potentially named) for use in regress.

See Also

regress

Examples

# Reading in a dataset
data(mri)

# Create a named partial formula
U(ma=~male+age)

# Create an unnamed partial formula

U(~male+age)