Request for new Builtin Study

[Tex50]

Hi Folks, not sure if this is the right place... sorry if it isn't,

Could ya'll add the TRIANGLE MA to the builtin studies please?

Thanks!



Correct TMA uploaded 6/13/05

[ACM]

Tex
You can find one already programmed here that uses my amStudies Function Library and has the same exact functionality of a builtin study. The efs is also fully customizable and preset for use with multiple intervals/symbols.
For information on the amStudies Function Library click here
Alex

[Tex50]

Good Grief, I looked all over the place for a TMA without luck... and there it is!

I hate reinventing the wheel myself, but had to have something fast and it only took a few minutes to code.

You've proven your value to all of us yet again Alex, 3 cheers and a whoop-de-do!

Thanks!





PS: Would it be possible to put a Libraries Only and/or a Functions Only area in the forum where everybodies free to the world contributions could be stored? (rather than in 50 million different groups) I only ask this because the search function isn't so hot...

[Tex50]

On a final note, I am not sure who is treating the TMA properly for even numbered sample periods. I tried your TMA and that one found in the dsFunctions area.

Both yours and the dsFunction TMA's are the same where as mine performs a bit differently.

For the series, it looks like you round whereas I do not.

Mine calculates as follows for even/odd series.

even: (1,2,3,3,2,1)
odd: (1,2,3,2,1)

I do not truncate or round.

Granted there is always some ambiguity in math functions, but I have no definitive example to reference at the moment. If I am wrong or if you have a reference, I would be very pleased to be corrected.

Cheers!



PS: Yellow is mine, blue & red dotted are the others.

[ACM]

Tex
I use the definition provided by Steve Achelis in his Technical Analysis from A to Z which is available here.
The same formula is also used by TradeStation which in fact returns the same results (the enclosed images show an 8 period TMA using eSignal and TradeStation)
On a different note you may want to correct your formula in lines 101-104 where the [ i ] should be [ j ]
Alex

PS Should the link to TA from A to Z not work properly you can find the same material mirrored here

[Tex50]

Alex, you're great!

For me, I hate to approximate things when higher precision is possible.

They do indeed round which I prefer not to do. Strictly speaking, I always prefer to use all the available data and not fudge unless absolutely necessary.

So, for me, because I like the tighter angles, I will use my own version for now.

This isn't to say anything is wrong with yours, merely that I prefer the tighter geometry of mine.

Thanks tons Alex! You’re great!



PS: Got your other message while typing this one and low & behold I uploaded the wrong one, but the one I used in the charts was the correct one. I saw that error way back when and somehow forgot to copy it to my released directory where the errored version was. Likewise, I am sure I uploaded the old version to my forum place as well (also from my release directory)! Thanks tons for spotting that! Who knows what weird stuff it may do! LOL! I will correct my release directory and forum place right away! Version control is so important... can't imagine how I messed it up... musta been tired! LOL!


PPS: This is my place.

http://share.esignal.com/groupcontents.jsp?folder=%20NON-VWAP%20Files&groupid=655

[ACM]

Tex
Thanks and you are most welcome
Alex