private void button_Generate_Click(object sender, EventArgs e)
{
Stat.BetaAlphaBeta(Convert.ToInt32(textBox_SampleSize.Text), Convert.ToInt32(textBox_success.Text), ref Alpha, ref Beta);
if (Classification.Length != 0 && CountTimes.Length != 0)
{
Result.Append("先验分布: ");
Result.Append("Beta(");
Result.Append(Alpha.ToString());
Result.Append(", ");
Result.Append(Beta.ToString());
Result.Append(")\r\n");
Stat.ConjugateBeta(ref Alpha, ref Beta, CountTimes[0] + CountTimes[1], CountTimes[0]);
Series series = new Series();
series.Points.AddXY(Classification[0], CountTimes[0]);
series.Points.AddXY(Classification[1], CountTimes[1]);
series.ChartType = SeriesChartType.Pie;
chart_Posterior.Series.Clear();
chart_Posterior.Series.Add(series);
Result.Append("似然函数: ");
Result.Append("Binomial(");
double p = ((double)CountTimes[0]) / (double)(CountTimes[0] + CountTimes[1]);
Result.Append(CountTimes[0] + CountTimes[1]);
Result.Append(", ");
Result.Append(MathV.NumberPolish(p.ToString()).Trim());
Result.Append(")\r\n");
Result.Append("后验分布: ");
Result.Append("Beta(");
Result.Append(Alpha.ToString());
Result.Append(", ");
Result.Append(Beta.ToString());
Result.Append(")\r\n");
Result.Append("后验分布等效样本量: ");
Result.Append((Alpha + Beta - 2).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;
}
}