SimpleRegression

ÿþ//+------------------------------------------------------------------+

//|                                             SimpleRegression.mq4 |

//|                                                        hairibaba |

//|                              https://www.mql5.com/en/users/hairi |

//+------------------------------------------------------------------+



#property copyright     "Coded by Hairibaba"

#property link          "https://www.mql5.com/en/users/hairi"

#property version       "1.0"

#property description   "Regression"

#property strict

#property indicator_chart_window



//+------------------------------------------------------------------+

//| Input variable                                                   |

//+------------------------------------------------------------------+

input int LookbackPeriod = 30;

input ENUM_TIMEFRAMES AppliedTimeframe = PERIOD_H4;

input ENUM_LINE_STYLE RegressionStyle = STYLE_SOLID;

input color RegressionColor = clrDarkBlue;



//+------------------------------------------------------------------+

//| Global variable                                                  |

//+------------------------------------------------------------------+

string      Objname, ObjIdentifier = "RC_";



//+------------------------------------------------------------------+

//| Custom indicator initialization function                         |

//+------------------------------------------------------------------+

int init()

{

   return (0);

}



//+------------------------------------------------------------------+

//| Deinit                                                           |

//+------------------------------------------------------------------+

int deinit() 

{

   ObjectDeleteAll();

   return (0);

}



//+------------------------------------------------------------------+

//| Indicator Start                                                  |

//+------------------------------------------------------------------+

int start() 

{

   for (int BarMeasure = 0; BarMeasure <= 240; BarMeasure++) 

      DrawRegressionChannel("Regression",AppliedTimeframe,LookbackPeriod,1,RegressionStyle,RegressionColor,2,true);  

   return (0);

}



//+------------------------------------------------------------------+

//| Delete all function                                              |

//+------------------------------------------------------------------+

void ObjectDeleteAll()

{

   Comment("");

   ObjectsDeleteAll(0,ObjIdentifier);

}



//+------------------------------------------------------------------+

//| Draw regression channel function                                 |

//+------------------------------------------------------------------+

void DrawRegressionChannel(string name, int TF, int Bar0, int Bar1, int style, color clr, int width, bool ray)

{   

   double P0 = 0, P1 = 0;

   datetime T0 = iTime(Symbol(),TF,Bar0);

   datetime T1 = iTime(Symbol(),TF,Bar1);

   

   if (ObjectFind(0,ObjIdentifier+name) != 0)

      ObjectCreate(ObjIdentifier+name,OBJ_REGRESSION, 0, T0, P0, T1, P1 );

   else

   {

      ObjectDelete(ObjIdentifier+name);

      ObjectCreate(ObjIdentifier+name,OBJ_REGRESSION, 0, T0, P0, T1, P1 );

   }

   ObjectSetInteger(0,ObjIdentifier+name,OBJPROP_STYLE,style);

   ObjectSetInteger(0,ObjIdentifier+name,OBJPROP_COLOR,clr);

   ObjectSetInteger(0,ObjIdentifier+name,OBJPROP_WIDTH, width);

   ObjectSetInteger(0,ObjIdentifier+name,OBJPROP_RAY, ray);

   ObjectSetInteger(0,ObjIdentifier+name,OBJPROP_BACK,false);

   ObjectSetString(0,ObjIdentifier+name,OBJPROP_TEXT,name+" Channel");

   

   Sleep(50);

   ChartRedraw(); 

}