Herman,
You can also take the perspective that the whole array is being
shifted forward (right shift) 5 bars. That brings the past bars
forward. While I scratched my head a bit before voting about no C(-5)
option to match the Ref() convention, if there had not been a Ref()
convention to start with, I would have gone for the positive number
bringing the array forward in time. In other words, Ref() is
"referring" to bars in the past with negative numbers, while the new
shorthand is shifting bar arrays forward in time. So looking at it
from that perspective, I am comfortable with it as a NEW operator type
explained as shifting bars in the array.
BR,
Dennis
On Feb 19, 2009, at 11:20 AM, Herman wrote:
Sorry , but imo the new forms are critic and counter intuitive.
C(5) looks back 5 bars.... what would looking forward look like?
C(-5)?
imo, very confusing. I can't help but wonder what made this idea
surface :-))
herman
Thursday, February 19, 2009, 11:08:25 AM, you wrote:
> Hello,
> As a convenience feature I was contemplating for some time to allow
> shorter syntax to very common operation of referring to past
elements of the array.
> As you now current syntax to refer to past is:
> Ref( array, -bars )
> So close five bars back is Ref( C, -5 )
> I don't have any technical problem with adding new
> operator that will make it shorter,
> but I am wondering about the most preferrable "form",
> that is easy to use and does not create confusion.
> So I would like to ask you which
> "short form" would you prefer.
> - c...@5
> - C#5
> - C(5)
> - I don't like the idea at all
> Please use this poll to vote:
> http://finance.groups.yahoo.com/group/amibroker/surveys?id=2828485
> Thank you.
> Best regards,
> Tomasz Janeczko
> amibroker.com
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