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Hi:
I'm currently working with Amibroker during my free trial period.
Since there is obviously a considerable learning curve associated with
writing new indicators I decided to start with something that should
have been simple. I decided to add a new indicator (a Multiple
time-frame MACD) to Amibroker by following the instructions at
http://www.amibroker.com/docs/MTFIndicators.html
This is essentially a cut and past operation.
Two requirements were stated for running the indicator
* AmiBroker (any edition, any version above 4.41) - I used v 5.10
* Any 1-minute intraday data source - ok
both of which were satisfied.
The installation instructions and the problems that I encountered as a
result were as follows:
In order to run this code and calculate multiple time-frame MACD:
1. Enter it into Automatic Analysis (AA) window:
Problem: The Automatic Analysis window did not provide an entry
screen. I tried various methods until I found one that ran the code.
I subsequently found that the Formula Editor worked as well. It had an
entry screen and a scan button. The results were the same regardless
of whether the Automatic Analysis or Formula Editor was used.
2. Go to Settings window, make sure that Periodicity is set to
1-minute. This was accomplished with no problem.
3. Press "Scan" button in the AA window.
Problem: The scan function did run. The result was that it assigned a
buy signal to every minute of every day for all symbols in my database
for their entire history.
The code, provided by Tomasz Janeczko, for this indicator was as follows:
---BEGIN CODE ---
Count = 0;
result = 0;
for( i = 10; i <= 300; i++ )
{
TimeFrameSet( i * in1Minute );
m = MACD(12, 26 );
TimeFrameRestore();
m = IIf( TimeFrameExpand( m, i * in1Minute ) > 0, 1, -1 );
result = result + m;
Count++;
}
AddToComposite( result / Count, "~MACD"+Name(), "X" );
Buy=1;
---END CODE---
Could someone please tell me what I did wrong. How do I obtain the
result illustrated in the How To? This is the first time that I can
remember being defeated by what is essentially a cut and paste
operation. Thanks.
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