is_by_smooth {gratia}

Tests for by variable smooths

Description

Functions to check if a smooth is a by-variable one and to test of the type of by-variable smooth is a factor-smooth or a continous-smooth interaction.

Usage

is_by_smooth(smooth)

is_factor_by_smooth(smooth)

is_continuous_by_smooth(smooth)

by_variable(smooth)

by_level(smooth)

Arguments

smooth

an object of class "mgcv.smooth"

Value

A logical vector.

Author(s)

Gavin L. Simpson