コード例 #1
0
        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!");
            }
        }