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All I did was copy the code from the messages here
and put it into amibroker. No changes were made to the code, as soon as I
hit apply I would get the syntax error message. I highlighted in red on
the code on this page where there errors occurred.
ron
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
Jayson
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Saturday, January 31, 2004 8:52
AM
Subject: RE: [amibroker] Re: Search
Routine for Crossover Point -- EMA Version
<FONT face=Arial color=#0000ff
size=2>Impossible to say with out seeing the code..... sounds like you are
calling calc and goal prior to defining them..
Regards,
Jayson
<FONT face=Tahoma
size=2>-----Original Message-----From: Ron Morton
[mailto:mortonr003@xxxxxxxxxxxxx]Sent: Saturday, January 31, 2004
1:41 PMTo: <A
href="">amibroker@xxxxxxxxxxxxxxxSubject:
Re: [amibroker] Re: Search Routine for Crossover Point -- EMA
Version
I tried running the code here as it looks like
something that I've been searching for for a while. When I tried to run
it I keep getting syntax error 23 whenever the words calc or goal come
up. Could someone explain to me how to go about fixing this? The
specific areas where this occurs are Calc=P1; and <FONT face="Courier New"
size=3>Goal = LastValue(BBandBot(P1, 14, 2));
Thank you,
Ron
<BLOCKQUOTE
>
----- Original Message -----
<DIV
>From:
dingo
To: <A title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Saturday, January 31, 2004 5:41
AM
Subject: RE: [amibroker] Re: Search
Routine for Crossover Point -- EMA Version
<FONT face=Arial
color=#0000ff size=2>Take a closer look at what Fred did. He shifted
the array back by 1 bar so that it would plot into the
future by one bar. It just doesn't use the space that is non-addressable in
the chart area. Its the only solution right now and it can be adapted
to what you want by shifting the array by as many bars as you
need.
<FONT face=Arial
color=#0000ff size=2>
<FONT face=Arial
color=#0000ff size=2>d
From: pcwinch
[mailto:pcwinch@xxxxxxxxxxxxxxx] Sent: Saturday, January 31, 2004
9:51 AMTo: amibroker@xxxxxxxxxxxxxxxSubject: Re:
[amibroker] Re: Search Routine for Crossover Point -- EMA
Version
Gentlemen,
This is starting to get interesting especially
of someone can figure out how we can extend this into the whitespace area
beyond the latest data.
For example, use your favourite indicator(s)
and apply projected regression channel to the prices.
Qu: A.what happens to your indicator when
prices are at the mid and extremes of the next bar..and the next bar, then
B. use the formula below to see what happens
when the indicator is 1. extrapolated , 2. the same or 3. (2*same -
extrapolated)
What would be interesting is what happens to
all the indicators and the prices in the channel when this is applied to one
indicator, and how the indicators look in different time frames.
What does it mean to the setting of stops and exits philosophy is also
an interesting outcome.
Any comments?
Peter
----- Original Message -----
<BLOCKQUOTE
>
<DIV
>From:
<A title=ftonetti@xxxxxxxxxxxxx
href="">Fred
To: <A
title=amibroker@xxxxxxxxxxxxxxx
href="">amibroker@xxxxxxxxxxxxxxx
Sent: Saturday, January 31, 2004 3:41
AM
Subject: [amibroker] Re: Search
Routine for Crossover Point -- EMA Version
Is there any reason to limit this to an xMA when this
can easily be done for any built in AB indicator or any custom AFL
"indicator" that one cares to write
?//
***********************************************
//// An all purpose routine to find
the price //
necessary to move an indicator to a
GOAL.//// This should work for
virtually any indicator,//
built in or otherwise. It's
demonstrated //
here using RSI & BBand's
...////
Note: It will appear to use future
quotes//
because of
the down shifting of the//
price array, but obviously it
can't//
"know"
tomorrows price. There's //
probably a way to rectify this but
//
I was more
concerned with the rest //
of the
process.//// The maximum iterations
have arbitrarily been //
set to 200 which is undoubtedly overkill
// as
I've yet to see anything take 200 even//
when tolerance was set to 0 on datastreams
// with
very high prices.//// For real usage
the saving of i in j and the//
accuracy calculation can be tossed as they
// were
only put in for demonstration purposes
////
***********************************************////
This Routine requires the following
things////
P0 = A price
array or synthetic////
Goal = The goal value of the
indicator////
Acc = An
accuracy level for the
calculations////
Set
this to the order of magnitude //
that
you want. For example if you want
//
accuracy in calculated price to
within //
0.01 then set it 0.01. It can
even //
be set to 0 which will force AB to
//
calculate until it can't find any
//
further improvements (Usually
between//
150-170 iterations) but this is
semi//
useless as improvements relative to
//
price granularity have long since
//
been gone
by.////
The
lower you set it the longer it //
will
take but it's pretty quick //
(Usually between 15-30 iterations) //
unless you set it at 0.//
//
***********************************************////
Note: Some goals are virtually unattainable
on//
the next bar, especially on the
downside//
as they
would require a negative price//
which is
what this routine will show if//
that is what
is required.////
***********************************************P0 =
C;Acc = 0.0001;LVBI = LastValue(BarIndex());Mult
= 1;//
***********************************************//
Shift Price up by n orders of magnitude to make
// it
>= 1. This is useful to increase
//
accuracy on very low priced datastreams
// such
as the JY.//
***********************************************for (i = 0; i < 10;
i++){ if (P0[LVBI] >= 1)
i = 99;
else
Mult = Mult * 10; } //
***********************************************P1 =
Ref(P0, 1) * Mult;UpDn = 100 * P1[LVBI];for (i = 0; i <
200; i++){// An example for
finding price associated with the next bars
BBandTop////
*****************************************************************************//
Put whatever indicator you want to goal seek here based on
P1//
*****************************************************************************
Calc = P1; Syntax error
here//
*****************************************************************************//
Put whatever you want for the goal here
...//// The reason for putting it in
the loop is because sometimes the goal is price
//
oriented and will need to be recalculated on each
iteration.//
*****************************************************************************
Goal = LastValue(BBandBot(P1, 14,
2));//
*****************************************************************************//
An example for finding price associated with the next bars RSI value
of 65////
*****************************************************************************//
Put whatever indicator you want to goal seek here based on
P1//
*****************************************************************************//
Calc = RSIa(P1, 14); Syntax error
here//
*****************************************************************************//
Put whatever you want for the goal here
...//// The reason for putting it in
the loop is because sometimes the goal is price
//
oriented and will need to be recalculated on each
iteration.//
*****************************************************************************//
Goal = 65;//
*****************************************************************************
if (Calc[LVBI] < Goal)
P1[LVBI] = P1[LVBI] +
UpDn;
else
P1[LVBI] = P1[LVBI] - UpDn; UpDn = UpDn
/ 2; if (UpDn <=
Acc) {
j = i;
i =
99999; }}Accuracy = 100 *
(abs(Goal - Calc) / Goal);Filter = BarIndex() ==
LVBI;AddColumn(Mult,
"Multiplier",
1.0);AddColumn(Calc[LVBI - 1] / Mult,
"Curr Ind Val", 1.9);AddColumn(Goal /
Mult,
"Goal Ind
Val", 1.9);AddColumn(Calc[LVBI] / Mult,
"Calc Ind Val",
1.9);AddColumn(j,
"Iterations", 1.0);AddColumn(Accuracy,
"Accuray
(%)", 1.9);AddColumn(Ref(P1, -1) /
Mult, "Todays
Price", 1.9);AddColumn(P1 / Mult,
"Goal
Price", 1.9);Send BUG REPORTS to
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