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Does this do what you want?
x = linearray(x, y, z, w, 1);
plot(x, "", color, null, null,
10);
Bill
----- Original Message -----
Sent: Tuesday, January 06, 2009 12:10
PM
Subject: [amibroker] Re: Graphing beyond
the data
Hello,
It seems you are well versed with future
arrays. Could you provide
an example of how to code a line array to
simply plot into the future
without changing x0,y0,x1, and y1 of the array
for current bars? I
have tried using the slope of the line, negative
offsets for the
current line that equal the shift into the future etc. but
none of it
works for me. The problem I am having is a simple one - I
do not
want any of the historical graph changed (no shifting of graphed
data
that already exists). My objective is to simply "continue" the
line
array into the future at the same slope as currently exists for
existing data.
Thanks,
David K.
--- In amibroker@xxxxxxxxxxxxxxx, "Ton
Sieverding"
<ton.sieverding@xxx> wrote:
>
> But that's
not what I am doing, Anthony. I am calculating something
in an 'actual'
array as if it is in the future. Then because I want
to see it in the
future I am shifting the array. Let's take a simple
example. I want to
simulate the SP500 in the future. Therefore I
mirror the SP500 let's say
over the last 20 days in a new array. Now
I want to see the SP500 in the
future. So therefore I am shifting the
mirrored time series and get
something like underneath graph :
>
>
>
> The
Ichimoku example Tomasz gave is exactly the same story. He
calculated a
future value in an 'actual' array and then shifted the
array in the future
because there you want to see the result. The
fact he is doing a
calculation in an 'actual' array does not mean
that he is not doing future
calculations ...
>
> Regards, Ton.
>
> PS : Please
no remarks about the enclosed code. It's just an
example I was using for a
group that's working with AmiBroker here in
Belgium. It does what it
should do but ...
>
> ----- Original Message -----
> From: Anthony Faragasso
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, January 06, 2009 12:38
PM
> Subject: Re: [amibroker] Graphing beyond the
data
>
>
>
> Ton,
>
> I commented on Tomasz's example....I do not see where the
example
is calculating a future value, Do you ?
>
> If so, Please point it out to me.....
>
> Thanks
> Anthony
>
> PS. If you are calculating all sorts of future
values....maybe
you would be so kind as to post an example.
>
> ----- Original Message -----
> From: Ton Sieverding
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, January 06, 2009 4:06
AM
> Subject: Re: [amibroker] Graphing beyond
the data
>
>
>
> Frankly I
do not see the difference Anthony. I am calculating
all kinds of values in
an array that are based upon the future. After
having done so, I am
shifting the array in the future for visual
purpose. But that's just to
show me the values in the graph on the
right place. When making future
calculations in the array for me
there is no difference between shifting
and extending. So I just do
not get your problem ...
>
> Regards, Ton.
>
> ----- Original Message -----
> From: Anthony Faragasso
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Monday, January 05, 2009
10:40 PM
> Subject: Re: [amibroker]
Graphing beyond the data
>
>
>
> Bill,
>
> I agree with you....even from the
example that Tomasz
provided...I see it as just shifting the current plot
to the right....
> not actually
calculating some future values and then plotting
them to the right of the
last value....
>
> In the
example...if you remove the 25 from the plot statement
>
> Plot( me52,"S1", IIf( Avg26_9
>
me52,colorOrange,colorBlueGrey),styleCloud,Null,Null,25);
>
> It will move / shift the plot
back to the left...
>
>
Anthony
>
>
> ----- Original
Message -----
> From:
wavemechanic
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Monday, January
05, 2009 4:23 PM
>
Subject: Re: [amibroker] Graphing beyond the data
>
>
>
> TJ,
>
> I don't think we are
talking about the same thing perhaps
because of our understanding of the
words "shift" and "extend". To
me "shift" means to move to the right
into the blank space
and "extend" means to calculate new values in the
blank space.
>
> The problem as I see
it is shown in the screen shot below
(bars are included for counting
purposes). Two charts of a sine
curve in which one is shifted with
Plot() by 10 bars into the blank
space. By the definitions above, if
the curve is simply shifted the
last value will remain unchanged (as
shown) whereas an extended curve
would have a last value around 1 rather
than -1.
>
> Based on the
definitions above, I view these charts as
evidence that Plot() shifts the
curve and does not calculate what the
value should be 10 bars into the
future. As far as I can tell,
the "extend" parameter in LineArray()
actually does extend into the
future as do the charting tools.
>
> Definitions
aside, am I using Plot() correctly or is there
a way to use Plot() in
order to get what I call "extend"
functionality. The type of
functionality is what is needed for a
variety of studies of the type shown
in the TradeStation screen shots.
>
> Bill
>
>
> -----
Original Message -----
> From:
Tomasz Janeczko
> To: amibroker@xxxxxxxxxxxxxxx
> Sent:
Monday, January 05, 2009 2:38
PM
>
Subject: Re: [amibroker] Graphing beyond the data
>
>
> No I did
not miss the point.
>
> The
supported way to EXTEND indicators is to calculate
them as usual
and
> plot
using XShift. In this approach you are using LAST X
bars of
array
> as
"future" bars. Then to actually display these future
bars at correct
place
> you
use XShift.
>
> Best
regards,
>
Tomasz
Janeczko
>
amibroker.com
>
----- Original Message -----
>
From: wavemechanic
>
To: AmiBroker, User
>
Sent: Monday, January 05, 2009 7:40
PM
>
Subject: Re: [amibroker] Graphing beyond the data
>
>
>
TJ,
>
>
I think you missed the point. The problem is one of
extension not
shifting which Plot() cannot handle. Extending
indicators, as Robert
and many of us want to do, is necessary to
identify future values for a
variety of studies, including Hurst
channel projections, cycles,
etc. Here are TradeStation examples
showing the extension of the
analysis (not a shift) into the future.
>
>
Bill
>
>
>
>
>
>
>
>
>
>
>
>
----- Original Message -----
>
From: Tomasz Janeczko
>
To: amibroker@xxxxxxxxxxxxxxx
>
Sent: Monday, January 05, 2009 10:10
AM
>
Subject: Re: [amibroker] Graphing beyond the data
>
>
>
Hello,
>
>
You can do that using XShift parameter of Plot()
function
>
http://www.amibroker.com/f?plot
>
>
For coding example, see DispMA (displaced moving
average)
>
that is shipped with AmiBroker
>
>
Best
regards,
>
Tomasz
Janeczko
>
amibroker.com
>
----- Original Message -----
>
From: "Robert"
<disqplay0@xxx>
>
To: <amibroker@xxxxxxxxxxxxxxx>
>
Sent: Monday, January 05, 2009 3:25
PM
>
Subject: [amibroker] Graphing beyond the data
>
>
>
>I have been working on an indicator that would look
into the futur if
>
> the trend continues or if it reverses. It will
graph to the last day
>
> of data but I am presently looking at a five day
look ahead. Is there
>
> a way to graph the pridicted price beyond the last
data point? If so
>
> a shove in the right direction would help. Not
really sure how to do
>
> this but would like to learn, thanks in advance for
any support you
>
> can give to this
question.
>
>
>
>
Disq
>
>
>
>
>
>
>
>
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