📄 lognormaldistribution.aspx
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<%@ Page Language="VB" Description="dotnetCHARTING Component" %>
<%@ Register TagPrefix="dotnet" Namespace="dotnetCHARTING" Assembly="dotnetCHARTING"%>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="dotnetCHARTING"%>
<HTML>
<HEAD>
<TITLE>.netCHARTING Sample</TITLE>
<script runat="server">
Sub Page_Load(sender As [Object], e As EventArgs)
' This sample demonstrates the use of LognormalDistribution method from the StatisticalEngine. This method return the lognormal distribution for a series when the standard deviation is known.
' The Probability Chart
ProbabilityChart.Title = "Lognormal distribution"
ProbabilityChart.TempDirectory = "temp"
ProbabilityChart.Debug = True
ProbabilityChart.Size = "800x400"
ProbabilityChart.LegendBox.Template = "%icon %name"
'ProbabilityChart.XAxis.Scale = Scale.Normal;
ProbabilityChart.TitleBox.Position = TitleBoxPosition.FullWithLegend
ProbabilityChart.DefaultSeries.DefaultElement.Marker.Visible = True
ProbabilityChart.DefaultSeries.Type = SeriesType.Spline
ProbabilityChart.ChartAreaLayout.Mode = ChartAreaLayoutMode.Vertical
Dim sprobability As New SeriesCollection()
' Generate the sample data.
Dim sampledata1 As New Series("Sample Data")
sampledata1.Elements.Add(New Element("", 13.5, 5.0))
sampledata1.Elements.Add(New Element("", 31.3, 10.0))
sampledata1.Elements.Add(New Element("", 54.8, 20.0))
sampledata1.Elements.Add(New Element("", 75.9, 30.0))
sampledata1.Elements.Add(New Element("", 94.3, 50.0))
sampledata1.Elements.Add(New Element("", 99.9, 100.0))
sampledata1.Elements.Add(New Element("", 100.0, 200.0))
sampledata1.Elements.Add(New Element("", 110.0, 500.0))
sampledata1.Elements.Add(New Element("", 120.0, 1000.0))
sprobability.Add(sampledata1)
' Add the series collection to the chart
ProbabilityChart.SeriesCollection.Add(sprobability)
' Create a new chart area for the lognormal distribution.
Dim lognormalChartArea As New ChartArea("Lognormal")
lognormalChartArea.HeightPercentage = 30
lognormalChartArea.YAxis = New Axis()
lognormalChartArea.XAxis = New Axis()
ProbabilityChart.ExtraChartAreas.Add(lognormalChartArea)
' The second parameter of this method is the standard deviation of the normal probability distribution
Dim lognormalDistribution As Series = StatisticalEngine.LognormalDistribution(sampledata1, 33)
lognormalDistribution.Type = SeriesType.Spline
lognormalDistribution.DefaultElement.ToolTip = "Y:%YValue"
lognormalChartArea.SeriesCollection.Add(lognormalDistribution)
End Sub 'Page_Load
</script>
</HEAD>
<BODY>
<DIV align="center">
<dotnet:Chart id="ProbabilityChart" runat="server"/>
</dotnet:Chart>
</DIV>
</BODY>
</HTML>
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