anchor.diff:          /// <param name="Color">The color for the data.</param>
           /// <param name="XTitle">The title of the X-axis.</param>
           /// <param name="YTitle">The title of the Y-axis.</param>
  -        static member Column(data,?Name,?Title,?Labels, ?Color,?XTitle,?YTitle) = 
  -            GenericChart.Create(mergeDataAndLabelsForY data Labels, fun () -> GenericChart(SeriesChartType.Column))
  -             |> Helpers.ApplyStyles(?Name=Name,?Title=Title,?Color=Color,?AxisXTitle=XTitle,?AxisYTitle=YTitle)
  -
  +        /// <param name="ColumnWidth">The width of columns versus whitespace as a percentage.</param>
  +        static member Column(data,?Name,?Title,?Labels, ?Color,?XTitle,?YTitle,?ColumnWidth) = 
  +            let c =
  +                GenericChart.Create(mergeDataAndLabelsForY data Labels, fun () -> GenericChart(SeriesChartType.Column))
  +                 |> Helpers.ApplyStyles(?Name=Name,?Title=Title,?Color=Color,?AxisXTitle=XTitle,?AxisYTitle=YTitle)
  +            Chart.ConfigureColumn(c, "PointWidth", ColumnWidth)
  +            c
   
           /// <summary>Similar to the Pie chart type, except that it has a hole in the center.</summary>
           /// <param name="data">The data for the chart.</param>
  
positive.code:         /// <param name="Color">The color for the data.</param>
          /// <param name="XTitle">The title of the X-axis.</param>
          /// <param name="YTitle">The title of the Y-axis.</param>
          static member ColumnIncremental(data:IObservable<#key * #value>,?Name,?Title,(* ?Labels, *) ?Color,?XTitle,?YTitle) = 
              Chart.Column(NotifySeq.ofObservableIncremental data,?Name=Name,?Title=Title(* ,?Labels=Labels *),?Color=Color,?XTitle=XTitle,?YTitle=YTitle)
  
          /// <summary>Similar to the Pie chart type, except that it has a hole in the center.</summary>
          /// <param name="data">The data for the chart. Each observation replaces the entire data on the chart.</param>
  
negative.code: 
          // Converts Y value of a chart (defines the type too)
          let culture = System.Globalization.CultureInfo.InvariantCulture
  
          let valueToDouble (x:value) = x.ToDouble(culture)
  
          open System.Collections.Specialized
          
  