private static void benford_pdf_test()
//****************************************************************************80
//
// Purpose:
//
// BENFORD_PDF_TEST tests BENFORD_PDF.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 26 February 2016
//
// Author:
//
// John Burkardt
//
{
int n;
double pdf;
Console.WriteLine("");
Console.WriteLine("BENFORD_PDF_TEST");
Console.WriteLine(" BENFORD_PDF evaluates the Benford PDF.");
Console.WriteLine("");
Console.WriteLine(" N PDF(N)");
Console.WriteLine("");
for (n = 1; n <= 9; n++)
{
pdf = Benford.benford_pdf(n);
Console.WriteLine(" " + n.ToString(CultureInfo.InvariantCulture).PadLeft(6)
+ " " + pdf.ToString(CultureInfo.InvariantCulture).PadLeft(14) + "");
}
Console.WriteLine("");
Console.WriteLine(" N PDF(N)");
Console.WriteLine("");
for (n = 10; n <= 99; n++)
{
pdf = Benford.benford_pdf(n);
Console.WriteLine(" " + n.ToString(CultureInfo.InvariantCulture).PadLeft(6)
+ " " + pdf.ToString(CultureInfo.InvariantCulture).PadLeft(14) + "");
}
}
public static void benford_test( )
//****************************************************************************80
//
// Purpose:
//
// BENFORD_TEST tests BENFORD.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 02 June 2007
//
// Author:
//
// John Burkardt
//
{
int i;
Console.WriteLine("");
Console.WriteLine("BENFORD_TEST");
Console.WriteLine(" BENFORD(I) is the Benford probability of the");
Console.WriteLine(" initial digit sequence I.");
Console.WriteLine("");
Console.WriteLine(" I BENFORD(I)");
Console.WriteLine("");
for (i = 1; i <= 9; i++)
{
Console.WriteLine(" "
+ i.ToString().PadLeft(4) + " "
+ Benford.benford_pdf(i).ToString(CultureInfo.InvariantCulture).PadLeft(10) + "");
}
}
private static void benford_cdf_test()
//****************************************************************************80
//
// Purpose:
//
// BENFORD_CDF_TEST tests BENFORD_CDF.
//
// Licensing:
//
// This code is distributed under the GNU LGPL license.
//
// Modified:
//
// 03 March 2016
//
// Author:
//
// John Burkardt
//
{
double cdf;
int n;
double pdf;
Console.WriteLine("");
Console.WriteLine("BENFORD_CDF_TEST");
Console.WriteLine(" BENFORD_CDF evaluates the Benford CDF.");
Console.WriteLine("");
Console.WriteLine(" N CDF(N) CDF(N) by summing");
Console.WriteLine("");
double cdf2 = 0.0;
for (n = 1; n <= 9; n++)
{
cdf = Benford.benford_cdf(n);
pdf = Benford.benford_pdf(n);
cdf2 += pdf;
Console.WriteLine(" " + n.ToString(CultureInfo.InvariantCulture).PadLeft(6)
+ " " + pdf.ToString(CultureInfo.InvariantCulture).PadLeft(14)
+ " " + cdf.ToString(CultureInfo.InvariantCulture).PadLeft(14)
+ " " + cdf2.ToString(CultureInfo.InvariantCulture).PadLeft(14) + "");
}
Console.WriteLine("");
Console.WriteLine(" N CDF(N) CDF(N) by summing");
Console.WriteLine("");
cdf2 = 0.0;
for (n = 10; n <= 99; n++)
{
cdf = Benford.benford_cdf(n);
pdf = Benford.benford_pdf(n);
cdf2 += pdf;
Console.WriteLine(" " + n.ToString(CultureInfo.InvariantCulture).PadLeft(6)
+ " " + pdf.ToString(CultureInfo.InvariantCulture).PadLeft(14)
+ " " + cdf.ToString(CultureInfo.InvariantCulture).PadLeft(14)
+ " " + cdf2.ToString(CultureInfo.InvariantCulture).PadLeft(14) + "");
}
}