lib/statsample/graph/gdchart.rb in statsample-0.3.4 vs lib/statsample/graph/gdchart.rb in statsample-0.4.0

@@ -15,23 +15,22 @@
 					gdc.out_graph(width,height,f,chart_type, data.length/num_datasets,labels,num_datasets,data)
 				}
 		end
 		end
 	end
-	class Nominal
+	class Vector
 		# Creates a barchart using ruby-gdchart
 		def gdchart_frequencies(file, width=300, height=150, chart_type=GDChart::BAR, options={})
 			labels,data=[],[]
 			self.frequencies.sort.each{|k,v|
 				labels.push(k.to_s)
 				data.push(v) 
 			}
 			options['ext_color']=[0xFF3399,0xFF9933,0xFFEE33,0x33FF33, 0x9966FF]
 			Statsample::Util.chart_gdchart(file,width,height,chart_type, labels,options,1,data)
 		end
-	end
-	class Scale < Ordinal
 		def gdchart_histogram(bins,file, width=300, height=150, chart_type=GDChart::BAR, options={})
+            check_type :scale
             labels=[]
             h=histogram(bins)
             data=[]
             (0...bins).each{|bin|
                 data.push(h[bin])