 
             yaxis:
                 show: false
-                max: @avg_bin_score * 2
+                max: max_score
 
             grid:
                 markings: [

            return @

        @act_histogram = []

        data_idx = 0
        while data_idx < score_list.length

            column = [ time, score ]
            @act_histogram.push column

            max_score = Math.max max_score, score

            data_idx += 1

        colors = ["#00c0c0"]
