getFacetVars: Get facetting variables from facet parameters.
Description
Get facetting variables from facet parameters.
Usage
getFacetVars(facetPars = list())
Value
Character vector with facetting variable
Arguments
- facetPars
List with facetting parameters,
passed to the facetting function. Variables should be specified
as character or formula.
For 'wrap' facetting (facetType
is 'wrap'), if the layout
is not specified via nrow
/ncol
, 2 columns
are used by default.