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#470944 - 02/13/18 21:07 AssetVars in Asset Lists
Sphin Offline
User

Registered: 12/11/13
Posts: 543
Loc: Fuerth, DE
From the manual AssetVars can be entered in the asset list behind the Symbol column but how to access them? Let me say an asset list looks like:
Code:
..., Commission, Symbol, TOCom
..., 0, BTC/USD, 0.0026


Do I find the value 0.0026 automatically in AssetVar[0] independent from the column's name "TOCom" (so it's better not to use AssetVar[0] otherwise in the script) or is there another way?

Thanks, Sphin

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#470945 - 02/14/18 03:17 Re: AssetVars in Asset Lists [Re: Sphin]
Hredot Offline
Member

Registered: 09/11/17
Posts: 201
Hi Sphin,

Once you call

asset(Assets[i]);

where i=0,1,2,3,... labels the assets in the AssetList.csv that you loaded, AssetVar[0] will refer to your TOCom value in the i-th row.
Yes, the row with the names does not interfere with the values. The first row (i==0) refers to the first actual asset row in your list.


Edited by Hredot (02/14/18 03:20)

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#471034 - 02/16/18 18:09 Re: AssetVars in Asset Lists [Re: Hredot]
Sphin Offline
User

Registered: 12/11/13
Posts: 543
Loc: Fuerth, DE
Thanks. You mean if I call asset("BTCUSD") than AssetVar[0] has the value from the column TOCom of the row beginning with "BTCUSD" from the loaded asset list? Then I understood. laugh

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#471036 - 02/16/18 18:16 Re: AssetVars in Asset Lists [Re: Sphin]
Hredot Offline
Member

Registered: 09/11/17
Posts: 201
Yep, exactly!
At least, that is how it worked in the DualMomentum code I played around with.
I don't know if you actually want to hard code "BTCUSD" string or similar though... Code might be more powerful if you access the different assets by using "Assets[i]". Then you can switch out the asset list and test the system on different ones without changing any lines in the code. laugh Like, if tomorrow you decide to trade a different crypto than BTC for example.


Edited by Hredot (02/16/18 18:20)

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#471055 - 02/17/18 19:13 Re: AssetVars in Asset Lists [Re: Hredot]
Sphin Offline
User

Registered: 12/11/13
Posts: 543
Loc: Fuerth, DE
This I think about as a maybe last step of optimizing in a completed code. But during development I like more using names of assets because pointing at them through an array means to add a potential point of failure in - and I know myself - choosing the wrong one and later wondering about issues.

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#471061 - 02/18/18 02:50 Re: AssetVars in Asset Lists [Re: Sphin]
Hredot Offline
Member

Registered: 09/11/17
Posts: 201
I see, yeah, makes sense!

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