//+------------------------------------------------------------------+
//| RAVI FX Fisher.mq4 |
//| Copyright © 2005, Luis Guilherme Damiani |
//| http://www.damianifx.com.br |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, Luis Guilherme Damiani"
#property link "http://www.damianifx.com.br"
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 Lime
//#property indicator_color2 Red
//#property indicator_color3 Yellow
//---- input parameters
extern double alpha=0.5;
extern int maxbars=2000;
//---- buffers
double soHPF[];
//double SignalBuffer[];
//double AuxBuffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,soHPF);
// SetIndexStyle(1,DRAW_LINE);
// SetIndexBuffer(1,SignalBuffer);
// SetIndexStyle(2,DRAW_LINE);
// SetIndexBuffer(2,AuxBuffer);
// SetLevelValue(0,0.8);
// SetLevelValue(1,-0.8);
ArrayInitialize(soHPF,0);
// ArrayInitialize(SignalBuffer,0);
// ArrayInitialize(AuxBuffer,0);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars=IndicatorCounted();
// Comment(Bars," ", counted_bars);
//double Normalized=0;
//double Fish=0;
//---- check for possible errors
if(counted_bars<0) return(-1);
int limit=Bars-counted_bars;
if(limit>maxbars)limit=maxbars;
//if (limit>Bars-1)limit=Bars-1;
//----
for (int shift = limit; shift>=0;shift--)
{
soHPF[shift]=MathPow(1-alpha/2,2)*(Close[shift] -2*Close[shift+1]+Close[shift+2])+2*(1-alpha)
*soHPF[shift+1]-MathPow(1-alpha,2)*soHPF[shift+2];
}
//----
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: