Learning to program QuantShare - how to begin

Learning to program QuantShare - how to begin

Juliettpapa
2011-04-20 10:45:00

I would like to learn the quantshare language.
But how to begin.

OK, lets see how the others have done it:
When I look at the formula for "Average true range" i see only.

indicator = Atr(14);

But where is the atr function coming from?
Where can i see the source code for atr?

Is there any document describing how to program simple indicators/functions?

QuantShare
2011-04-20 12:31:28

In "Help" -> "QuantShare Lessons", there are some lessons that introduce you to the QuantShare Language.
You can also find info in the CHM or PDF documentation files.

In your example, the "ATR" is build-in function, you cannot see its source code.
If you want to create your own indicator, select "Tools" then "Create Functions". More info can be found in the documentation.

There are hundreds of custom indicators in the sharing server, you can download some of them and see how they are implemented.

Juliettpapa
2011-04-20 13:23:05

Even the first test does not work.

When I copy the example to the script, QS changes
for (int i=0;i

to

for (int i=0;i<RESULT.LENGTH;i++

and doesnt compile. Neither C# nor JScript.

http://screencast.com/t/EwFsvIrp9HyE

QuantShare
2011-04-20 14:21:04

Sorry. I will fix this lesson.

C# is case-sensitive, so the formula should be:

for (int i=0;i < result.Length;i++)
{
}

QuantShare
2011-04-21 04:33:49

Here are few posts about custom indicators:

http://www.quantshare.com/sa-137-how-to-create-your-own-technical-analysis-indicators
http://www.quantshare.com/sa-138-how-to-create-a-trading-indicator-that-uses-stock-news
http://www.quantshare.com/sa-72-the-inside-period-function
http://www.quantshare.com/sa-71-how-to-use-date-components-in-your-trading-rules

Juliettpapa
2011-04-21 05:47:26

Thanks.

I have already "programmed" my first indicator (close - param1) LOL.
I will continue.....

Joerg

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