block17.csharp.cs

// plot the error graph
var chart = Chart.Plot(
    new [] 
    {
        new Graph.Scatter()
        {
            x = Enumerable.Range(0, maxEpochs).ToArray(),
            y = trainingError,
            name = "training",
            mode = "lines+markers"
        },
        new Graph.Scatter()
        {
            x = Enumerable.Range(0, maxEpochs).ToArray(),
            y = testingError,
            name = "testing",
            mode = "lines+markers"
        }
    }
);
chart.WithXTitle("Epoch");
chart.WithYTitle("Classification error");
chart.WithTitle("Spam Detection");

// save chart
File.WriteAllText("chart.html", chart.GetHtml());