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标题: Standard Deviation,StdDev,标准偏差指标如何以量柱形式在幅图表... [打印本页]

作者: 林木水雨 时间: 2018-1-11 13:40
标题: Standard Deviation,StdDev,标准偏差指标如何以量柱形式在幅图表...
Standard Deviation,StdDev,标准偏差指标如何以量柱形式在幅图表现出来呢？请各位高手老师帮忙，拜谢!!!!!..

作者: 林木水雨 时间: 2018-1-11 14:08
//+------------------------------------------------------------------+
//|                                        Standard Deviation.mq4 |
//|                   Copyright ?2005, MetaQuotes Software Corp. |
//|                                     http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright ?2005, MetaQuotes Software Corp."
#property link    "http://www.metaquotes.net/"
#property indicator_separate_window
#property indicator_minimum 0
#property indicator_buffers 1
#property indicator_color1 Blue
//---- input parameters
extern int ExtStdDevPeriod=20;
extern int ExtStdDevMAMethod=0;
extern int ExtStdDevAppliedPrice=0;
extern int ExtStdDevShift=0;
//---- buffers
double ExtStdDevBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function                      |
//+------------------------------------------------------------------+
int init()
  {
string sShortName;
//---- indicator buffer mapping
SetIndexBuffer(0,ExtStdDevBuffer);
//---- indicator line
SetIndexStyle(0,DRAW_LINE);
//---- line shifts when drawing
SetIndexShift(0,ExtStdDevShift);
//---- name for DataWindow and indicator subwindow label
sShortName="StdDev("+ExtStdDevPeriod+")";
IndicatorShortName(sShortName);
SetIndexLabel(0,sShortName);
//---- first values aren't drawn
SetIndexDrawBegin(0,ExtStdDevPeriod);
//----
return(0);
  }
//+------------------------------------------------------------------+
//| Standard Deviation                                              |
//+------------------------------------------------------------------+
int start()
  {
int i,j,nLimit,nCountedBars;
double dAPrice,dAmount,dMovingAverage;
//---- insufficient data
if(BarsExtStdDevPeriod)
   i=Bars-nCountedBars;
while(i>=0)
   {
   dAmount=0.0;
   dMovingAverage=iMA(NULL,0,ExtStdDevPeriod,0,ExtStdDevMAMethod,ExtStdDevAppliedPrice,i);
   for(j=0; jExtStdDevPeriod)
   i=Bars-nCountedBars;
while(i>=0)
   {
   dAmount=0.0;
   dMovingAverage=iMA(NULL,0,ExtStdDevPeriod,0,ExtStdDevMAMethod,ExtStdDevAppliedPrice,i);
   for(j=0; j<ExtStdDevPeriod; j++)
      {
      dAPrice=GetAppliedPrice(ExtStdDevAppliedPrice,i+j);
      dAmount+=(dAPrice-dMovingAverage)*(dAPrice-dMovingAverage);
      }
   ExtStdDevBuffer[i]=MathSqrt(dAmount/ExtStdDevPeriod);
   i--;
   }
//----
return(0);
  }
//+------------------------------------------------------------------+
//|                                                                |
//+------------------------------------------------------------------+
double GetAppliedPrice(int nAppliedPrice, int nIndex)
  {
double dPrice;
//----
switch(nAppliedPrice)
   {
   case 0:  dPrice=Close[nIndex];                               break;
   case 1:  dPrice=Open[nIndex];                                  break;
   case 2:  dPrice=High[nIndex];                                  break;
   case 3:  dPrice=Low[nIndex];                                  break;
   case 4:  dPrice=(High[nIndex]+Low[nIndex])/2.0;                break;
   case 5:  dPrice=(High[nIndex]+Low[nIndex]+Close[nIndex])/3.0; break;
   case 6:  dPrice=(High[nIndex]+Low[nIndex]+2*Close[nIndex])/4.0; break;
   default: dPrice=0.0;
   }
//----
return(dPrice);
  }
//+------------------------------------------------------------------+

作者: 林木水雨 时间: 2018-1-11 15:23
完全看不懂

作者: heroeye 时间: 2018-1-11 15:33
刷金币,真无聊 ..

作者: my1swz 时间: 2018-1-11 17:09
刷金币,真无聊 ..

作者: 简练 时间: 2018-1-11 17:19
EntryLevels

作者: 简练 时间: 2018-1-11 17:25
看不懂啊

作者: pszwgk@163.com 时间: 2018-1-11 18:46
谢谢分享，学编程，学交易，实现程序化交易。

作者: kuangren90 时间: 2018-1-11 19:33
无字天书，论坛里面的某个王老师，他的策略里面有关于轴心点的叙述。完全不懂。为什么。

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