           row.count = count
           rows.push row
 
-      __getHistogram = Flow.Data.Table
-        name: 'histogram'
-        label: 'Histogram'
-        description: "Histogram for column '#{column.label}' in frame '#{frameKey}'."
+      __getDistribution = Flow.Data.Table
+        name: 'distribution'
+        label: 'Distribution'
+        description: "Distribution for column '#{column.label}' in frame '#{frameKey}'."
         columns: schema.attributes
         rows: rows
         meta:
-          scan: "scan 'histogram', getColumnSummary #{stringify frameKey}, #{stringify columnName}"
+          scan: "scan 'distribution', getColumnSummary #{stringify frameKey}, #{stringify columnName}"
 
     __getCharacteristics = null
     getCharacteristics = ->

      data: getData

  extendColumnSummary = (frameKey, frame, columnName) ->
    __getHistogram = null
    getHistogram = ->
      return __getHistogram if __getHistogram

      column = head frame.columns
      histogramDataType = if column.type is 'int' then Flow.Data.Integer else Flow.Data.Real
      
      schema = if column.type is 'int' then extensionSchemas.column.integerHistogram else extensionSchemas.column.realHistogram
      Row = Flow.Data.createCompiledPrototype schema.attributeNames
      
      minBinCount = 32

        type: Flow.Data.Real
      ]

      Row = Flow.Data.createCompiledPrototype map columns, (column) -> column.name
      rows = for level in sortedLevels
        row = new Row()
        row.label = level.index
