private void RebuildWindow()
{
//重新计算r
this.R = ValidateWindow.CalcRValue(this.RawValues); //计算R值
var cv = ValidateWindow.GetCoefficientOfVariationValue(this.RawValues);
if (cv < this.KThreshold)
{
this._invalidCount = 0;
foreach (var value in this._windowDatas)
{
value.ValidValue = value.RawValue;
value.IsValid = true;
}
}
}
private bool ValidateValue(AnalysisValue value)
{
var validValues = this.ValidValues;
if (ValidateWindow.GetDiscreteCount(value.RawValue, validValues, this.R) > this.DiscreteThreshold)
{
value.IsValid = false;
value.ValidValue = ValidateWindow.CalcMeanValue(validValues);
}
else
{
value.IsValid = true;
value.ValidValue = value.RawValue;
}
//过滤完就填充
this._windowDatas.RemoveAt(0);
this._windowDatas.Add(value);
return(value.IsValid);
}
/// <summary>
/// 初始化稳定窗口
/// </summary>
/// <param name="seed"></param>
//public void ReCreateWindow(decimal seed)
//{
// if (seed == SeedInit)
// {
// }
// _windowDatas.Clear();
// for (var i = 0; i < _windowSize; i++)
// {
// _windowDatas.Add(new AnalysisValue(seed));
// }
//}
/// <summary>
/// 过滤数据
/// </summary>
/// <param name="value"></param>
public void ProcessValue(AnalysisValue value)
{
if (this.IsOpenWindow)
{
_log.Debug(this.ToSimpleString());
}
if (value == null)
{
return;
}
//复制一份放在窗口里面
var tempValue = new AnalysisValue(value.RawValue, value.IsValid);
tempValue.ValidValue = tempValue.RawValue;
//未过滤之前数据就是原始值
value.ValidValue = value.RawValue;
try
{
//考虑到先对数据过滤，后面又暂停了！
if (!this.IsOpenWindow)
{
if (this._windowDatas.Count < this._windowSize)
{
this.InsertDate(tempValue);
}
else
{
this.RemoveInsertData(tempValue);
}
return;
}
if (this._windowDatas.Count == this._windowSize && this._windowDatas.Count > 0) //窗口已满,有数据
{
//包含了窗口和变异系数的变化
if (this.R == Rinitvalue)
{
this.R = ValidateWindow.CalcRValue(this.RawValues, this.KThreshold); //初始化
}
if (this.ValidateValue(tempValue) == false) //值无效
{
value.IsValid = tempValue.IsValid;
value.ValidValue = tempValue.ValidValue;
if (this._invalidCount++ >= this.ReCalcRValueThreshold)
{
this.RebuildWindow();
}
}
//调整位置
var cv = ValidateWindow.GetCoefficientOfVariationValue(this.ValidValues);
if (cv > this.KThreshold)
{
this.R = ValidateWindow.CalcRValue(this.RawValues, this.KThreshold); //初始化
}
if (this.NeedLog)
{
//打印出数据
_log.Debug(this.ToString());
_log.Debug(tempValue.ToString());
}
}
else //窗口未满
{
this.InsertDate(tempValue);
}
}
catch (UnStableWindowExcepiton ex)
{
//不稳定怎么处理--继续滑动窗口
this.RemoveInsertData(tempValue);
}
//Dump(null, null);
}