private void button_Generate_Click(object sender, EventArgs e)
{
Result.Clear();
string[] Str = textBox_Times.Text.Replace("\r", "").Split('\n');
List <int> Nums = new List <int>();
int Temp = 0;
foreach (string EachStr in Str)
{
if (Int32.TryParse(EachStr, out Temp))
{
Nums.Add(Temp);
}
}
int ClassLen = Classification.Length;
int CountTimesLen = CountTimes.Length;
if (Stat.DirichletAlphas(Nums, ClassLen, ref Alphas))
{
if (ClassLen != 0 && CountTimesLen != 0)
{
Result.Append("先验分布: ");
Result.Append("Dirichlet(");
for (int i = 0; i < ClassLen; i++)
{
Result.Append(Alphas[i].ToString());
if (i < ClassLen - 1)
{
Result.Append(", ");
}
}
Result.Append(")\r\n");
Stat.ConjugateDirichlet(ref Alphas, CountTimes);
Result.Append("似然函数: ");
Result.Append("Binomial(");
double p = 0;
double sum = CountTimes.Sum();
Result.Append(sum.ToString());
Result.Append(", ");
for (int i = 0; i < ClassLen; i++)
{
p = ((double)CountTimes[i]) / sum;
Result.Append(MathV.NumberPolish(p.ToString()).Trim());
if (i < ClassLen - 1)
{
Result.Append(", ");
}
}
Result.Append(")\r\n");
Result.Append("Dirichlet(");
for (int i = 0; i < ClassLen; i++)
{
Result.Append(Alphas[i].ToString());
if (i < ClassLen - 1)
{
Result.Append(", ");
}
}
Result.Append(")\r\n");
Result.Append("后验分布等效样本量: ");
Result.Append((Alphas.Sum() - Alphas.Count).ToString());
Result.Append("\r\n");
MainForm.S.richTextBox1.AppendText(Result.ToString());
MainForm.S.richTextBox1.Select(); //让RichTextBox获得焦点
MainForm.S.richTextBox1.Select(MainForm.S.richTextBox1.TextLength, 0); //将插入符号置于文本结束处
MainForm.S.richTextBox1.ScrollToCaret();
button_PosteriorDensity.Enabled = true;
}
}
else
{
MessageBox.Show("输入次数缺失！");
}
}