         @node_map[n.id] = node
         node
 
+      @nodes_excluding_loss = _.reject @node_list, (n) -> n.id == 'loss'
+
       @link_list = _.map D3.sankey.charts[k].data.links, (l) =>
         new D3.sankey.Link(_.extend l, view: this)
 

        .range([0, @height * .90])

      # update the node label
      @nodes.data(@node_list, (d) -> d.get('id'))
        .attr("data-tooltip", (d) =>
          h = ""
          for l in d.right_links

        .attr('id', 'loss_gradient').call(
          (g) ->
            g.append('svg:stop').attr('offset', '0%').attr('style', 'stop-color:rgb(250,0,0);stop-opacity:1')
            g.append('svg:stop').attr('offset', '100%').attr('style', 'stop-color:rgb(250,0,0);stop-opacity:0.0')
      )

    draw_links: =>
