{ # -*- ifm -*-
  # residual arrays template
  #   {$D->group} returns the ifeffit group name
  #   {$D->parameter} returns the value of that parameter
}
set {$D->group}_fit.chi = interp({$D->group}_fit.k, {$D->group}_fit.chi, {$D->group}.k)
set {$D->group}_fit.k   = {$D->group}.k

##| residual arrays for {$D->group}
set {$D->group}_res.k   = {$D->group}.k
set {$D->group}_res.chi = {$D->group}.chi - {$D->group}_fit.chi