The tag 'ChartPlotter' does not exist in XML namespace 'http://research.microsoft.com/DynamicDataDisplay/1.0'

<Window x:Class="interface1.Visual"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d3="http://research.microsoft.com/DynamicDataDisplay/1.0"
    
    Title="VisualWindow" Height="300" Width="300">
 

    <Grid>

        <d3:ChartPlotter BottomTitle="Argument" LeftTitle="Function">
            <d3:LineGraph x:Name="linegraph" Description="Simple linegraph" Stroke="Blue" StrokeThickness="3"/>
        </d3:ChartPlotter>

    </Grid>
</Window>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;

using System.Collections.Generic;
using System.IO;
using Microsoft.Research.DynamicDataDisplay; // Core functionality
using Microsoft.Research.DynamicDataDisplay.DataSources; // EnumerableDataSource
using Microsoft.Research.DynamicDataDisplay.PointMarkers; // CirclePointMarker




namespace interface1
{
    /// <summary>
    /// Interaction logic for Visualisation.xaml
    /// </summary>
    public partial class visualisation : Window
    {
        public visualisation()
        {
         
        }
    }
}