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Composite Indicator

  • #1
  • First Post: Oct 7, 2008 3:24pm Oct 7, 2008 3:24pm
Hi

Has anyone coded the composite indicator - the one created by Constance Brown. I can supply the formula if required - it is now public domain.
Irregular
  • #2
  • Oct 7, 2008 3:51pm Oct 7, 2008 3:51pm
Here is the code in Metastock format - itīs all I know:

CI = rsi(14) - ref(rsi(14),-9) + mov(rsi(3),3,s);
plot1 = mov(a,13,s);
plot2 = mov(a,33,s);

a;plot1;plot2

I hope itīs self explanatory - the MA is a simple moving average.
Need to be able to display a few levels also - namely 0 and 100.

Hope you can help
Irregular
  • #3
  • Oct 7, 2008 3:53pm Oct 7, 2008 3:53pm
CI should be `a`on the first line
Irregular
  • #4
  • Oct 8, 2008 3:14pm Oct 8, 2008 3:14pm
PHP Code
#property copyright ""
#property link      ""

#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Red
#property indicator_color2 Blue

extern int RSI1_Period=13;
extern int RSI1_Price=1;
extern int RSI2_Period=34;
extern int RSI2_Price=1;

extern int MA1_Period=7;
extern int MA2_Period=13;
extern int MA3_Period=34;

extern int CountBars=5000;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
double a[];
double b[];


//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   IndicatorBuffers(4);
   SetIndexStyle(0,DRAW_LINE);
   SetIndexBuffer(0,ExtMapBuffer1);
   SetIndexStyle(1,DRAW_LINE);
   SetIndexBuffer(1,ExtMapBuffer2);
   SetIndexBuffer(2,a);
   SetIndexBuffer(3,b);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//----
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int l=CountBars;
   if (l>Bars) l=Bars-9;
   
   for (int i=l;i>=0;i--) b[i]=iRSI(Symbol(),0,RSI2_Period,RSI2_Price,i);
   
   for (i=l;i>=0;i--)
      a[i]=iRSI(Symbol(),0,RSI1_Period,RSI1_Price,i)-iRSI(Symbol(),0,RSI1_Period,RSI1_Price,i+9)+iMAOnArray(b,0,MA1_Period,0,MODE_SMA,i);
   for (i=l;i>=0;i--){
      ExtMapBuffer1[i]=iMAOnArray(a,0,MA2_Period,0,MODE_SMA,i);
      ExtMapBuffer2[i]=iMAOnArray(a,0,MA3_Period,0,MODE_SMA,i);
   }   

   return(0);
  }
//+------------------------------------------------------------------+
Why do people only post a nice trending period chart?
  • #5
  • Oct 8, 2008 4:41pm Oct 8, 2008 4:41pm
Yuhu,
is that correct? It seemed not to be, so I edited it to try and match the metastock exactly. Nothing major, but the readings are slightly different.

I will remove this if you ask.
Attached File(s)
File Type: mq4 Composite Index Edit.mq4   2 KB | 1,351 downloads
  • #6
  • Oct 9, 2008 2:12am Oct 9, 2008 2:12am
Hi

Tried indicator - doesnīt display the actual composite - īaī in the code. But the MAs look correct.

Thanks
Irregular
  • #7
  • Oct 10, 2008 3:33pm Oct 10, 2008 3:33pm
Hi Guys,

Thanks for posting this. Can you clarify the formula?

CI = rsi(14) - ref(rsi(14),-9) + mov(rsi(3),3,s);

rsi(14) looks pretty clear
-- 14 day RSI.

and mov(rsi(3),3,s) also looks pretty clear
-- 3 day simple moving average of 3 day RSI.

But what is the ref function? Can someone clarify?

Thanks,
Ngawang
  • #8
  • Oct 12, 2008 2:57pm Oct 12, 2008 2:57pm
Hi

Ref is a lookback - so Ref(c,-2) is the close two bars ago.
Irregular
  • #9
  • Last Post: Oct 12, 2008 8:55pm Oct 12, 2008 8:55pm
Excellent. Thank you.

Ngawang
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