#SVM_b4_dd_pred8

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#SVM_b4_dd_pred8

This script functions as a predictive data visualizer designed to display specific market signals on your trading chart. Rather than calculating technical indicators (like moving averages or RSI) in real-time, it acts as a bridge that retrieves pre-calculated results from external files and maps them onto your price candles.

Data Retrieval Logic

The core of this script relies on "Predictive Files." It is programmed to look into a specific folder on your computer where external machine learning models (specifically LibSVM) have already processed historical data.

It identifies these files based on:

  • The Asset: The specific currency pair or commodity you are viewing.
  • The Timeframe: The specific period settings used during the model's training.
  • The Prediction Type: Specific "windows" of time that the model is forecasting.

Signal Processing

When you load this script, it performs the following steps:

  1. File Scanning: It opens the relevant prediction files and reads the data contained within them into its memory.
  2. Data Matching: It looks at the current bar on your chart and tries to find a corresponding timestamp in the loaded data.
  3. Validation Rules: For a signal to actually appear on your screen, the script checks several conditions:
    • The date must be valid and fall within the expected range of the prediction file.
    • The numerical value from the model must fall within a specific "neutral" range (between -7.1 and 7.1). This ensures that only high-confidence or specific types of signals are displayed.
    • The data must show a positive variance (where the maximum value is greater than the minimum).

Visual Output

If all the conditions above are met, the script places an arrow on your chart. These arrows serve as visual cues for the user, indicating where the external model suggests a specific price movement or occurrence is likely to happen based on the pre-calculated data.

Automation & Monitoring

To help with quality control and manual verification, the script includes a screenshot feature. Every time a new 5-minute candle forms, the script automatically captures a picture of the chart and saves it to a local folder. This allows traders to review how the visual signals lined up with actual price action over time without having to watch the live market constantly.

Miscellaneous
Uses files from the file systemIt reads information from a fileImplements a curve of type %1
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#SVM_b4_dd_pred8 
//+------------------------------------------------------------------+
//|                                           
//+------------------------------------------------------------------+
#property copyright ""
#property link      ""
#include <stderror.mqh>
/*
SL      TP
0.006	 0.008
0.006	 0
0.006	 0.006
0.005	 0.008

*/
#define COL1 1
#define COL2 1

//  5-10, 10-15 and 5-15
#property indicator_separate_window
#property indicator_buffers 7
#property indicator_color1 Magenta
#property indicator_color2 Lime
#property indicator_color3 Red
#property indicator_color4 Orange
#property indicator_color5 Aqua
#property indicator_color6 Blue
#property indicator_color7 Yellow
#property indicator_level1 4.0

//+------------------------------------------------------------------+
//|
//+------------------------------------------------------------------+
int NrBars = 1003;
int StopLoss=40;
int TakeProfit=40;
int Period1=PERIOD_M5;
int Period0=0;
int Buffers1=9;

//+------------------------------------------------------------------+
//|
//+------------------------------------------------------------------+
int FutureWindow1;
int FutureWindow2;
int FutureWindow3;
int FutureWindow4;
int FutureWindow5;
int FutureWindow6;
int FutureWindow7;
int FW;
//---- buffers
double VolBuffer1[];
double VolBuffer2[];
double VolBuffer3[];
double VolBuffer4[];
double VolBuffer5[];
double VolBuffer6[];
double VolBuffer7[];

string v[][COL1];
string vv[][COL2];
string f1,f2;
double dv[];
double dvv[];
   
string pr1(string sym1, int sig)
{
  int i,j,size,lin;
  int col=COL1;
  string nameData1 = "b4/dd/pred"+sig+"/"+sym1+".libsvm.prd";
  int handle=FileOpen(nameData1,FILE_CSV|FILE_READ,' ');
  if(handle<1)
    {
     Print("File"+nameData1+" not found, the last error is ", GetLastError());
     return(0);
    }
  else 
  {    
     FileSeek(handle, 0, SEEK_SET );
     i=0;
     while(!FileIsEnding(handle))
     {
       FileReadString(handle);
       i++;
     }
     size=i-1;//=755->0..754
     lin = size / col; //151 , usd lin=1564,col=5,size=7820
     ArrayResize(v,lin);
     FileSeek(handle, 0, SEEK_SET );
     for (i=0;i<lin;i++)
       for (j=0;j<col;j++)
         v[i][j]=FileReadString(handle);     
     FileClose(handle);    
  } 
  return (nameData1);
}


string pr2(string sym1, int sig)
{
  int i,j,size,lin;
  int col=COL2;
  string nameData1 = "b4/dd/pred"+sig+"/"+sym1+".libsvm.t";
  int handle=FileOpen(nameData1,FILE_CSV|FILE_READ,' ');
  if(handle<1)
    {
     Print("File"+nameData1+" not found, the last error is ", GetLastError());
     return(0);
    }
  else 
  {    
     FileSeek(handle, 0, SEEK_SET );
     i=0;
     while(!FileIsEnding(handle))
     {
       FileReadString(handle);
       i++;
     }
     size=i-1;//=755->0..754
     lin = size / col; //151 , usd lin=1564,col=5,size=7820
     ArrayResize(vv,lin);
     FileSeek(handle, 0, SEEK_SET );
     for (i=0;i<lin;i++)
       for (j=0;j<col;j++)
         vv[i][j]=FileReadString(handle);     
     FileClose(handle);    
  } 
  return (nameData1);
}


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//|------------------------------------------------------------------|

int init()
  {
  if(NrBars==0)
    NrBars=Bars;//iBars(Symbol(),Period1);
  if (Period1==PERIOD_M5)
  {
     FutureWindow1 = 10;
     FutureWindow2 = 50;
     FutureWindow3 = 100;
     FutureWindow4 = 150;
     FutureWindow5 = 200;
     FutureWindow6 = 250;
     FutureWindow7 = 5;
  }
  else if(Period1==PERIOD_H1)
  {
     FutureWindow1 = 1;
     FutureWindow2 = 5;
     FutureWindow3 = 10;
     FutureWindow4 = 15;
     FutureWindow5 = 20;
     FutureWindow6 = 25;
     FutureWindow7 = 5;
  }
  else if(Period1==PERIOD_H4)
  {
     FutureWindow1 = 1;
     FutureWindow2 = 2;
     FutureWindow3 = 3;
     FutureWindow4 = 4;
     FutureWindow5 = 5;
     FutureWindow6 = 6;
     FutureWindow7 = 5;
 
  }

   IndicatorBuffers(7);
   
   SetIndexStyle(0,DRAW_ARROW,0,1);
   SetIndexBuffer(0, VolBuffer1);
   SetIndexLabel(0,"0");
   SetIndexArrow(0,158);
   
   SetIndexStyle(1,DRAW_ARROW,0,1);
   SetIndexBuffer(1, VolBuffer2);
   SetIndexLabel(1,"1");
   SetIndexArrow(1,158);
  
   SetIndexStyle(2,DRAW_ARROW,0,1);
   SetIndexBuffer(2, VolBuffer3);
   SetIndexLabel(2,"2");
   SetIndexArrow(2,158); 
   
   SetIndexStyle(3,DRAW_ARROW,0,1);
   SetIndexBuffer(3, VolBuffer4);
   SetIndexLabel(3,"3");
   SetIndexArrow(3,158);   

   SetIndexStyle(4,DRAW_ARROW,0,1);
   SetIndexBuffer(4, VolBuffer5);
   SetIndexLabel(4,"4");
   SetIndexArrow(4,158); 
      
   SetIndexStyle(5,DRAW_ARROW,0,1);
   SetIndexBuffer(5, VolBuffer6);
   SetIndexLabel(5,"5");
   SetIndexArrow(5,158); 
   
   SetIndexStyle(6,DRAW_ARROW,0,1);
   SetIndexBuffer(6, VolBuffer7);
   SetIndexLabel(6,"6");
   SetIndexArrow(6,158);    
   
   if(Buffers1==0)
     IndicatorShortName("Period:"+Period1+" FW:"+FutureWindow1+" "+FutureWindow2+" "+FutureWindow3+" "+FutureWindow4+" "+FutureWindow5+" "+FutureWindow6);
   else if(Buffers1==1)
   {
     IndicatorShortName("Period:"+Period1+" FW:"+FutureWindow1);     
     FW=FutureWindow1; 
   }  
   else if(Buffers1==2)
   {
     IndicatorShortName("Period:"+Period1+" FW:"+FutureWindow2);     
     FW=FutureWindow2; 
   }       
   else if(Buffers1==3)
   {
     IndicatorShortName("Period:"+Period1+" FW:"+FutureWindow3);     
     FW=FutureWindow3; 
   }       
   else if(Buffers1==4)
   {
     IndicatorShortName("Period:"+Period1+" FW:"+FutureWindow4);     
     FW=FutureWindow4; 
   }       
   else if(Buffers1==5)
   {
     IndicatorShortName("Period:"+Period1+" FW:"+FutureWindow5);     
     FW=FutureWindow5; 
   }       
   else if(Buffers1==6)
   {
     IndicatorShortName("Period:"+Period1+" FW:"+FutureWindow6);     
     FW=FutureWindow6; 
   }  
   else if(Buffers1==7)
   {
     IndicatorShortName("Period:"+Period1+" FW:"+FutureWindow7);     
     FW=FutureWindow7; 
   }  

     
///////////////////////////////////////////  
   f1=pr1(Symbol(), Buffers1-1);
   f2=pr2(Symbol(), Buffers1-1);  
   //Print(f1,"-> ",v[0][0]," ",v[1][0]);
   //Print(f2,"-> ",vv[0][0]," ",vv[1][0]); 
   ArrayResize(dv,ArraySize(v));
   for (int k=0;k<ArraySize(v);k++)
   {
     dv[k]= StrToDouble(v[k][0]);
   }    
   ArrayResize(dvv,ArraySize(vv));
   for (k=0;k<ArraySize(vv);k++)
   {
     dvv[k]= StrToInteger(vv[k][0]);
   }
/////////////////////////////////////////////     
     
   return(0);
  }


//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {

  }

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {

  double x1,x2,x3,x4,x5,x6,x7;
  int pos=0;
///////////////////////////////////////////  
   f1=pr1(Symbol(), Buffers1-1);
   f2=pr2(Symbol(), Buffers1-1);  
  // Print(f1,"-> ",v[0][0]," ",v[1][0]);
  // Print(f2,"-> ",vv[0][0]," ",vv[1][0]); 
   ArrayResize(dv,ArraySize(v));
   for (int k=0;k<ArraySize(v);k++)
   {
     dv[k]= StrToDouble(v[k][0]);
   }    
   ArrayResize(dvv,ArraySize(vv));
   for (k=0;k<ArraySize(vv);k++)
   {
     dvv[k]= StrToInteger(vv[k][0]);
   }
/////////////////////////////////////////////     
   int dayshift=-1;

  pos=NrBars;
  while(pos>=0)
  //while(pos<=NrBars)
     {  
		//PREDICT
		
      if(Buffers1!=0)
      {
      
       double max=dv[ArrayMaximum(dv)];
       double min=dv[ArrayMinimum(dv)];
       datetime d2 = Time[pos];
       dayshift=ArrayBsearch(dvv,d2,WHOLE_ARRAY,0,MODE_ASCEND);
       datetime maxt2=dvv[ArrayMaximum(dvv,WHOLE_ARRAY,0)];
       if (
            (dayshift > 0) && 
            (d2<=maxt2) && 
            StrToDouble(v[dayshift][0])<7.1 && 
            StrToDouble(v[dayshift][0])>-7.1 &&
            (max > min)           
            )
       //if ((dayshift > 0))
       {       
         VolBuffer7[pos]=StrToDouble(v[dayshift][0])+0.1; //Open
       }
       else
         VolBuffer7[pos]=EMPTY_VALUE;     		
		}
 	   //pos++;
 	   pos--;
     }
     
    //InSigNormalize(VolBuffer1);
    //InSigNormalize(VolBuffer2);
    //InSigNormalize(VolBuffer3);

  //int lasterror=0;
  //string pict_file1 = "b4/dd/shots"+(Buffers1-1)+"/"+Symbol()+".gif";
  //string pict_file1="shots\\signal"+(Buffers1-1)+"\\better"+(Buffers1-1)+".gif";
  //---- make WindowScreenShot for further checking
  //if(!WindowScreenShot("shots\\tester"+ExtShotsCounter+".gif",640,480))
  //if(!WindowScreenShot(pict_file1,640,480))
  //  lasterror=GetLastError();
    
  //if(!SendFTP(pict_file1))
  //  lasterror=GetLastError();
  // Print("error(",lasterror,"): ");   
  if(isNewBarM5())
    WindowScreenShot("shots2\\tester"+Symbol()+TimeCurrent()+".gif",640,480);     
   return(0);
  }
//+------------------------------------------------------------------+

//+------------------------------------------------------------------+
//|
//+------------------------------------------------------------------+

bool isNewBarM1()
  {
  static datetime BarTimeM1;
   bool res=false; 
   if (BarTimeM1!=iTime(NULL,PERIOD_M1,0)) 
      {
         BarTimeM1=iTime(NULL,PERIOD_M1,0); 
         res=true;
      } 
   return(res);
  }

//+------------------------------------------------------------------+
//|
//+------------------------------------------------------------------+

bool isNewBarM5()
  {
  static datetime BarTimeM5;
   bool res=false; 
   if (BarTimeM5!=iTime(NULL,PERIOD_M5,0)) 
      {
         BarTimeM5=iTime(NULL,PERIOD_M5,0); 
         res=true;
      } 
   return(res);
  }

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