Spread Deviation Example (VB.NET)
[VB.NET]
' COPYRIGHT(C), SIMPLEXAR SOFTWARE LIMITED, 2006-2008.
' All rights reserved.
'
' Use of this copyright notice is precautionary only, and does not imply
' publication or disclosure. The content of this work contains confidential
' and proprietary information of Simplexar Software Limited. Any duplication,
' modification, distribution, or disclosure in any form, in whole, or in part,
' is strictly prohibited without express prior written permission.
' Get namespaces.
Imports System
Imports Simplexar.Statsar
' Start namespace.
Namespace Simplexar.Examples.Statsar
' This example uses the statistics calculator to perform spread
' and deviation statistics on a data sheet (e.g. variance and
' standard deviation).
Module Example
' The application entry point.
Public Sub Main()
Try
RunExample()
Catch exception As Exception
Console.WriteLine(exception)
End Try
Console.WriteLine("Press ENTER to terminate.")
Console.ReadLine()
End Sub
Private Sub RunExample()
' Create a calculator.
Dim calculator As New StatsCalculator()
' Use the calculator to load the sheet.
Dim sheet As DataSheet = calculator.Load( _
"..\..\..\..\..\Data\ExamResults.csv")
Console.WriteLine(sheet)
' Calculate spread and deviation statistics for
' the math result column.
Console.WriteLine("Coefficient of variation: {0}", _
calculator.CoefficientOfVariation("MathResult"))
Console.WriteLine("Mean deviation: {0}", _
calculator.MeanDeviation("MathResult"))
Console.WriteLine("Median deviation: {0}", _
calculator.MedianDeviation("MathResult"))
Console.WriteLine("Root mean square: {0}", _
calculator.RootMeanSquare("MathResult"))
Console.WriteLine("Variance: {0}", _
calculator.Variance("MathResult"))
Console.WriteLine("Standard deviation: {0}", _
calculator.StandardDeviation("MathResult"))
Console.WriteLine("Standard error: {0}", _
calculator.StandardError("MathResult"))
Console.WriteLine("Sum square deviation: {0}", _
calculator.SumSquareDeviation("MathResult"))
Console.WriteLine()
End Sub
End Module
End Namespace