|
PureBytes Links
Trading Reference Links
|
this looks like a ROC from a-b, and plotting the start point to the ROC,
give more info please.
rich
>slope:=(LastValue(C)-ValueWhen(1,Cum(1)=1,C))/LastValue(Cum(1));
>
>
>line:=ValueWhen(1,Cum(1)=1,C)+Cum(slope);
>
>
>
>line;
At 04:25 PM 1/24/2005 +1300, you wrote:
>Steve
>
>
>If you want to learn the formula language I suggest to you pick another
>exercise. There are
>certainly enough to choose from. I'm not one to give up easily on
>challenges, but ZigZag and SAR are
>two that have proved to be beyond me. Then there are others that have,
>shall we say, been on the
>back-burner for a long time.
>
>Limitations with the formula language make it very difficult to string an
>indeterminate number of
>lines together, particularly when they are not horizontal or equal in
>pitch or length. When you can
>string just two lines together, such that one starts where the other
>finishes, you'll have a better
>appreciation of the difficulties involved.
>
>For a competent programmer with access to the MetaStock Development Kit
>it's probably a breeze, but
>for us mere mortals confined to the MetaStock Formula Language I think
>this particular challenge
>should be left sitting out of sight in the "too hard" basket.
>
>
>Kind regards
>
>Roy Larsen
>www.metastocktips.co.nz
>
>
>
>
>
>----- Original Message -----
>From: "Steve Grala" <stevegrala@xxxxxxxxxxx>
>To: <Metastockusers@xxxxxxxxxxxxxxx>
>Sent: Monday, January 24, 2005 3:30 PM
>Subject: [Metastockusers] How to reproduce the zig zag formula
>
>
>
>
>
>
>
>
>
>To any smart Metastock formula writer:
>
>
>
>
>
> I have asked this question before but never got an answer. I would
> like to know how to reproduce
>the zigzag formula. The zigzag formula is used and talked about here but
>I do believe no one here
>knows how to reproduce it with the basic metastock formulas. Obviosly one
>can not use the peak or
>troughs function since this is derived from the zig zag itself. I wanted
>to write the equivalent
>formula using the basic MetaStock formulas. In order to reproduce the
>zigzag you need to draw a
>linear line from point A to point B. I created a simple formula to do
>this. First I needed to know
>the slope of point A to point B. In my sample formula point A is the
>first day of data loaded and
>point B is the last day of data loaded. Slope = rise over run. Rise is
>the difference between
>point A and point B. The run is the number of days over the data. Once
>you have the slope you just
>add this each day to the previous day of the data. The result is a nice
>linear line going from
>point A to point B. The problem I need to figure out is how to get point
>A and point B to change
>according to a certain percentage like in the zig zag formula.
>
>
>
>Sample formula for drawing a linear line from first to last day of data.
>
>
>
>slope:=(LastValue(C)-ValueWhen(1,Cum(1)=1,C))/LastValue(Cum(1));
>
>
>
>line:=ValueWhen(1,Cum(1)=1,C)+Cum(slope);
>
>
>
>line;
>
>
>
>You might ask why write a formula to do what the basic zig(data array, min
>change,diff method) all
>ready does. I guess it is just curiosity. I figure it could help in
>writing other formulas.
>
>
>
>Thanks
>
>
>
>Steve
>
>
>
>
>
>
>
>
>
>
>Yahoo! Groups Links
>
>
>
>
------------------------ Yahoo! Groups Sponsor --------------------~-->
In low income neighborhoods, 84% do not own computers.
At Network for Good, help bridge the Digital Divide!
http://us.click.yahoo.com/EpW3eD/3MnJAA/cosFAA/zMEolB/TM
--------------------------------------------------------------------~->
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/Metastockusers/
<*> To unsubscribe from this group, send an email to:
Metastockusers-unsubscribe@xxxxxxxxxxxxxxx
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|