the target argument should act like rebase does with ptd_rebase() (see #78). That is, target should accept a scalar numeric, or it should accept a named list of scalar numerics, where each name matches one of the names from the facet field. If a target isn't provided for a given facet then there should be no target line drawn
the target argument should act like rebase does with
ptd_rebase()
(see #78). That is, target should accept a scalar numeric, or it should accept a named list of scalar numerics, where each name matches one of the names from the facet field. If a target isn't provided for a given facet then there should be no target line drawn