public string ToString(IFormatProvider format)
{
StringBuilder sb = new StringBuilder();
sb.AppendFormat("{0}: {1}\r\n", nameof(Minimum), Minimum.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(Maximum), Maximum.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(Range), Range.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(Median), Median.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(Mode), Mode.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(Sum), Sum.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(Average), Average.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(RootMeanSquare), RootMeanSquare.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(Variance), Variance.ToString(format));
sb.AppendFormat("{0}: {1}\r\n", nameof(StandardDeviation), StandardDeviation.ToString(format));
return(sb.ToString());
}
/// <summary>
///
/// </summary>
/// <param name="Width"></param>
/// <param name="Height"></param>
/// <param name="TotalScore">分数</param>
/// <param name="stdev">标准偏差</param>
/// <param name="cpk">CPK</param>
/// <param name="familyName"></param>
/// <returns></returns>
public Bitmap GetGaussianDistributionGraph(int Width, int Height, int TotalScore, float stdev, float cpk, string familyName = "宋体")
{
//横轴 分数；纵轴 正态分布的值
Bitmap bitmap = new Bitmap(Width, Height);
Graphics gdi = Graphics.FromImage(bitmap);
gdi.Clear(Color.White);
gdi.SmoothingMode = SmoothingMode.HighQuality;
gdi.TextRenderingHint = System.Drawing.Text.TextRenderingHint.ClearTypeGridFit;
gdi.PixelOffsetMode = PixelOffsetMode.HighQuality;
List <Tuple <double, double> > Scores = GetGaussianDistributionYs().OrderBy(x => x.Item1).ToList(); //排序 方便后面点与点之间的连线 保证 分数低的 在左边
float YHeight = 0.8F * Height; // 相对左下角 YHeight*0.9F 将表示 maxY
float XWidth = 0.9F * Width; //相对左下角 XWidth*0.9F 将表示 maxX
float marginX = (Width - XWidth) / 2F; //x轴相对左右图片边缘的像素
float marginY = (Height - YHeight) / 2F; //y轴相对上下图片边缘的像素
PointF leftTop = new PointF(marginX, marginY);
PointF leftBottom = new PointF(marginX, marginY + YHeight);//坐标轴的左下角
PointF rightBottom = new PointF(marginX + XWidth, marginY + YHeight);//坐标轴的右下角
gdi.DrawLine(Pens.Gray, leftBottom, rightBottom); //x轴
gdi.DrawLine(Pens.Gray, leftBottom, leftTop); //Y轴
//两个箭头 四条线 6个坐标 另需4个坐标
PointF YArrowLeft = new PointF(leftTop.X - 5, leftTop.Y + 5);
PointF YArrowRight = new PointF(leftTop.X + 5, leftTop.Y + 5);
PointF XArrowTop = new PointF(rightBottom.X - 5, rightBottom.Y - 5);
PointF XArrowBottom = new PointF(rightBottom.X - 5, rightBottom.Y + 5);
gdi.DrawLine(Pens.Gray, leftTop, YArrowLeft);
gdi.DrawLine(Pens.Gray, leftTop, YArrowRight);
gdi.DrawLine(Pens.Gray, rightBottom, XArrowTop);
gdi.DrawLine(Pens.Gray, rightBottom, XArrowBottom);
float unitX = 0.0F; //X轴转换比率
float unitY = 0.0F; //Y轴转换比率
List <PointF> pointFs = ConvertToPointF(Scores, XWidth * 0.9F, YHeight * 0.9F, leftTop, out unitX, out unitY); //将分数和概率 转换成 坐标
gdi.DrawCurve(Pens.Black, pointFs.ToArray(), 0.0F);//基数样条
foreach (PointF s in pointFs)
{
// gdi.DrawEllipse(Pens.Red, s.X, s.Y, 5, 5);
gdi.FillEllipse(Brushes.Red, s.X - 5, s.Y - 5, 10, 10);
}
//平均分 与 Y轴平行
PointF avg_top = new PointF(leftTop.X + (float)Average * unitX, leftTop.Y);
PointF avg_bottom = new PointF(leftTop.X + (float)Average * unitX, leftBottom.Y);
gdi.DrawLine(Pens.Black, avg_top, avg_bottom);
gdi.DrawString(string.Format("{0}", ((float)Average).ToString("F4")), new Font("宋体", 11), Brushes.Black, avg_bottom.X, avg_bottom.Y - 25);
//将期望和方差写在横轴下方中间
PointF variance_pf = new PointF(leftBottom.X + (XWidth / 2) - 180, avg_bottom.Y + 25);
gdi.DrawString(string.Format("平均值：{0}；方差：{1}；STDEV：{2}；CPK：{3}", ((float)Average).ToString("F4"), Variance.ToString("F4"), stdev.ToString("F4"), cpk.ToString("F4")), new Font("宋体", 11), Brushes.Black, variance_pf.X, variance_pf.Y);
////将最小分数 和 最大分数 分成9段 标记在坐标轴横轴上
//double minX = Scores.Min(x => x.Item1);
//double maxX = Scores.Max(x => x.Item1);
//double perSegment = TotalScore / 10;// (maxX - minX) / 9F;//每一段表示的分数
//List<double> segs = new List<double>();//每一个分段分界线横轴的值
//segs.Add(leftBottom.X + (float)minX * unitX);
//for (int i = 1; i < 11; i++)
//{
// segs.Add(leftBottom.X + (float)minX * unitX + perSegment * i * unitX);
//}
//for (int i = 0; i < 11; i++)
//{
// gdi.DrawPie(Pens.Black, (float)segs[i] - 1, leftBottom.Y - 1, 2, 2, 0, 360);
// gdi.DrawString(string.Format("{0}", ((minX + perSegment * (i))).ToString("F0")), new Font("宋体", 11), Brushes.Black, (float)segs[i] - 15, leftBottom.Y + 5);
//}
return(bitmap);
}
public override string ToString()
{
return(String.Format("{0} - {1} [{2}, {3}, {4}]", Section, Name, Type.ToString(), Unit.ToString(), Variance.ToString()));
}
/// <summary>
/// Returns a detailed <see cref="System.String"/> that represents this confusion matrix.
/// </summary>
/// <returns>A <see cref="System.String"/> that represents this confusion matrix.</returns>
/// <remarks></remarks>
public override string ToString()
{
// Write the summary values
string summary = "";
summary += "Correct: " + Correct;
summary += " Incorrect: " + Incorrect;
summary += " Total: " + Observations;
summary += " Accuracy: " + Accuracy.ToString("F4");
summary += " Error: " + Error.ToString("F4");
summary += " Confidence: +/- " + ConfidenceInterval.ToString("F4");
summary += " Variance: " + Variance.ToString("F4");
summary += "\n\n\n";
// Calculate padding values
int[] padding = new int[values.Count + 1];
int i;
int sp = 2;
foreach (KeyValuePair <string, SortedDictionary <string, int> > pair in values)
{
if (pair.Key.Length > padding[0])
{
padding[0] = pair.Key.Length;
}
i = 1;
foreach (KeyValuePair <string, int> pair2 in pair.Value)
{
if (pair2.Value.ToString().Length > padding[i])
{
padding[i] = pair2.Value.ToString().Length;
}
i += 1;
}
}
// Write the header
string output = "";
output += "".PadRight(padding[0] + 3);
i = 1;
foreach (KeyValuePair <string, SortedDictionary <string, int> > pair in values)
{
output += pair.Key.PadRight(padding[i] + sp);
i += 1;
}
output += "\n ".PadRight(output.Length, '-') + "\n";
// Write each horizontal line
foreach (KeyValuePair <string, SortedDictionary <string, int> > pair in values)
{
output += pair.Key.PadRight(padding[0]) + " | ";
i = 1;
foreach (KeyValuePair <string, int> pair2 in pair.Value)
{
output += pair2.Value.ToString().PadRight(padding[i] + sp);
i += 1;
}
output += "\n";
}
output += "\n\nConfusions:\n\n" + Confusions(-1);
return(summary + output + "\n");
}