Left and right hand sides of model equations
build_eq.x.rhs(output.type = "expression", orientation = "x")build_lhs(output.type = "expression", orientation = "x")
A character
string.
A character
string.
character One of "expression", "latex", "tex", "text", "tikz", "markdown".
character "x"
or "y"
, indicating
the aesthetic onto which the explanatory variable is mapped.