Re: [amibroker] Obtaining Current Bar Index

[C W <chwinc2000@xxxxxxxxx>]

Goal: I would like to create a cum function of the last 10 bars

 

cum( int days): float

{

sum = 0;

For(i=0;i<days;i++)
{

x=barindex() -----> this is where i need help...I need to able to determine the current bar I am on.
sum = c[x]-o[x];

x--;

}

}

 

Can you please help me determine the barindex value? I what to use this as a filter in my buy filter during backtesting.

 

for ex: Buy = cum(10)>1;

 

Thank you for you help. It's greatly appreciated,

Chris

Tomasz Janeczko <groups@xxxxxxxxxxxxx> wrote:

What are you trying to do? Describe the GOAL, not the thing you are locked on.

 

If you use LOOP you should process ALL bars, the same way as AFL is working.

 

Formula is executed ONCE for all bars AT ONCE, there is no "current" bar.

 

Did you read that:

http://www.amibroker.com/guide/h_understandafl.html

 

Here is how your loop should look.

 

for( i = 0; i < BarCount; i++ )

{

 ... here is processing

}

 

Best regards,
Tomasz Janeczko
amibroker.com

----- Original Message -----

From: C W

To: amibroker@xxxxxxxxxps.com

Sent: Thursday, August 09, 2007 6:34 PM

Subject: Re: [amibroker] Obtaining Current Bar Index

I am using it in the loop, but I need to start at the bar I am at. How do I determine that?

 

c[x] -- how do i determine x (Current bar)?

 

Thanks,
Chris

Graham <kavemanperth@gmail.com> wrote:

if you are using it in the for loop, looping through the bars, then just use i

--
Cheers
Graham Kav
AFL Writing Service
http://www.aflwriting.com

On 09/08/07, chwinc2000 <chwinc2000@xxxxxxcom> wrote:
> Hello All,
>
> I am trying to obtain the index of the current bar. I am trying to do
> calculations off of the close of X for example C[x]. I can't use
> barindex() because i will be using this value in a IF ELSE loop.
>
> Does anyone know how to obtain the index value of the current bar?
>
> Thanks a bunch,
> Chris
>
>
>
> Please note that this group is for discussion between users only.
>
> To get support from AmiBroker please send an e-mail directly to
> SUPPORT {at} amibroker.com
>
> For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
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>
> For other support material please check also:
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>

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