Hello,
Yes the answer was: SelectedValue and LastValue functions are used
because the point(s) were you draw trendline is subjective matter and
these functions are used to establish a pattern location MANUALLY and
subjectively.
Removing those functions would involve first replacing subjective
Hello,
As written in the manual:
http://www.amibroker.com/f?lastvalue
Returns last calculated value of the specified ARRAY [..] Caveat: since
this function fills an entire data array with the last value of another
array, it allows a formula to look into the future.
So if your chart (or
Tomasz how do I calculate this 'Expected Lag' in Bars? So how do I know when
the Peak/Through is true ?
Regards, Ton.
- Original Message -
From: Tomasz Janeczko
To: amibroker@yahoogroups.com
Sent: Tuesday, April 27, 2010 12:59 AM
Subject: Re: [amibroker] Re: How to
Hello,
This has been answered already in my previous response in this thread:
http://finance.groups.yahoo.com/group/amibroker/message/148933
(It was back in 2003
http://www.amibroker.com/members/traders/11-2003.html
when the formula was provided in the Traders' Tips section that:
a) shows how
Thanks Tomasz. Yes I've found that thread. I still have problems with the
'Amount' variable for the ZIG. Should not this be a percentage ? Anyway I have
got my 'Expected Lag' in Bars. Thanks again ...
Regards, Ton.
- Original Message -
From: Tomasz Janeczko
To:
Hello,
Yes 'amount' is expressed in percent.
For example 15.5 set via Params window means 15.5%.
Best regards,
Tomasz Janeczko
amibroker.com
On 2010-04-27 12:23, Ton Sieverding wrote:
Thanks Tomasz. Yes I've found that thread. I still have problems with
the 'Amount' variable for the ZIG.
OK and thanks ...
Ton.
- Original Message -
From: Tomasz Janeczko
To: amibroker@yahoogroups.com
Sent: Tuesday, April 27, 2010 12:29 PM
Subject: Re: [amibroker] Re: How to backtest or plot a script, which uses
SelectedValue or LastValue?
Hello,
Yes 'amount' is
Hello,
jhnlmn wrote:
Yes. This is a big problem in AB (in my opinion). In WL I execute the script
only once
and it keeps the graph and all indicators in memory, so I can view them
without rerunning
But AB reruns the script each time I click the graph, which makes viewing
very slow.
What
Hello,
You still don't understand anything about zigzag algorithm.
If you did you will know that to generate zig you must look into future
bars.
I am saying that Wealth Lab use *THE SAME* algorithm as ANY other software,
there is no magic and no secret in it.
First it calculates REGULAR zig
See also this:
http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators:zigzag
Take closer look at this sentence The ZigZag has zero predictive power
and draws lines base on hindsight.
(hindsight in technical analysis is equivalent to looking into the
future).
On
Hello,
You admit that you are complete novice, yet you make definitive
statements like this:
It simply loops from 0 to the bar and finds min and max.
Then, after a reversal happens, it assigns the last min or max to an array.
That's all.
You simply see the trees but you don't see the forest.
Hello,
The script never looks after the BAR, but, of course, it does look
after the peak if the peak is in the past.
This is *exactly* looking into the future. You can only claim a peak
when you look several bars AFTER the peak
- that is looking into the future in purest form.
You don't know
Hello,
Clearly you did not read the manual of Wealth-Lab carefully enough.
check page 240 of their manual and you will read the following:
The Peak function never looks ahead in time, but always returns the
Peak value as it
would have been determined as of the specified bar. *For this reason,
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