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Minnamor
This will happen for ANY tools that are computing higher the time frame price (OHLC, MP(),Typ(), WC() etc.) from a lower time frame data.
I believe this behavior should be OK even for back-testing if you make sure in your system tester that you code the trading signal based on a higher time frame indicator to be done or looked for its ...
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This is an example of the type of indicators that ''spawned'' from the work of leading scientists like Dr. Ehlers.
The attached image plots the current time frame and the 4x time frame Hotelling transform applied to Price.
The example provided used a 60 min time frame.
For Daily charts the recommended value for TF is 2 (weekly indicator on the ...
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Jose
I appreciate very much your input.
I am inclined to agree with you regarding a complex trading system: I don't believe the more complex the system the better. Quite the opposite.
But to disqualify the advances of science and its increasing capability to provide new models for the trading market I cannot agree with.
I truly believe the more ...
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Roy
I don't have your MSFL expertise but the decision to spend the additional time to find a more ''efficient'' solution to implement the same thing without PREV is very easy for me to make:
- pay a MFSL expert like you or Jose to see if there is a solution at all OR
- wait for a DLL that provides the function
My perception as a ''young'' trader ...
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I finaly got it by myself!
A good example is posted in the ''Formula Collection'' under the Forum Index or in ''Formulae'':
- ''ITrend by Dr. Ehlers''.
In short this is the general equation I was asking about:
f:= A0*Pr + A1*Ref(Pr,-1) + A2*Ref(Pr,-2) + A3*Ref(Pr,-3) + A4*Ref(Pr,-4) +
B0*PREV + B1*Ref(PREV,-1) + B2*Ref(PREV,-2) + ...
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Finally I got a solution for my own older post inquiry: ''How To Code Recursive Functions in MS''.
Below is Dr. Ehlers ITrend indicator, as described in his excellent work ''Cybernetic Analysis for Stocks and Futures''.
I have added my own initialization periods linear algorithm that will eliminate the large converging time required by the ...
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Patrick
I was not aiming at you!
Your profession puts you at a better position to give us all a valuable advice regarding operating systems and not only.
I don't know if there are issues with HW drivers for WinXP-64, but I assume the whole system and motherboard should come with the appropriate drivers.
I do not care much about it as my company ...
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mbcullen
I had to buy a new dual processor PC for my daily work job, and our IT dept. told me that WinXP-64 shouldn't pose any problem even for the 32 bit applications.
WinXP64 has a 32 bit kernel anyway and is able to identify if the application required to be ran is a 32 bit or 64 bit and it will switch to the use of the appropriate Kernel ...
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This is a BIG request for anybody who can develop a DLL to support this feature.
If it's possible to find a good implementation for a generic recursive function with a format like this one:
- f:= P1*PrType + P2*PrType[1] + P3*PrType[2] + P4*PrType[3] + P5*PrType[4] +A*f[1] +B*f[2] +C*f[3] +D*f[4];
(where f[1],f[2],f[3] and f[4] are references
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Here is the ITrend formula with an Initialization addition that
reduces the long convergence time for very low values of Alpha.
It presents also the addition of a trigger.
Code:
{=======================}
{Need the ADSI's DLL from www.thedml.com}
Pc:=
Input(''Price Code=C,Med,Typ,WMA4 ...
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hayseed and denl
As I remember the trial period is for 30 days and Brad can extend it upon your request.
If you are using very low values for Alpha (<0.05) you will need to use an ''Initialization'' linear slope.
If you don't like a linear solution, you can build your own as well.
I will post my solution in the formula section in the next ...
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Thank you Jose and Patrick for your answers.
1) The ''+PREV-PREV'' construct
Here is my sequence of tests for the ''+PREV-PREV'' combination:
z1:=LastValue(C+PREV-PREV);
z2:=C;
z1==z2 at any point in the chart.
The 2nd test has proved also that the following 2 equation generate exactly the same output, where ''x'' and ''y'' are listed in your ...
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denl
I am familiar with the formulas you have posted.
However, those are not implementing the correct version of the Dr.Ehlers original equation.
I believe you made some mistakes following the ''Formula Import'' steps. The *.DTA file is ready for download from the Equis Customer Zone-> Trader's Tips from TASC Magazine (right mouse click on ...
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FXLearning
If your intent is to continue to use ONLY TrendDirection for a Trend Following system, I do believe this could be pretty much it.
Another way to improve the signal timing and to avoid short term wip-saw Buy/Sell signals is to define an ''Out Of Market'' condition, or equivalently to define an exit signal for each entry (i.e. LE=Long ...
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denl
Can you post the formula you have downloaded?
I have all the 3 books published by Dr.Ehlers and I can take a look.
Unfortunately all the equations are coded for TradeStation, but I do have their MS vesion from ''TheDML''.
I hope to be able to identify which version you are trying to use (there are 3 ITrend versions: from ''Rocket ...
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FXLearning
Using exclusively TD to generate trading signal seems to me quite a difficult task, in order to catch the trend as early as possible and to ride it as long as possible.
This is impossible to achieve mostly because of the ways the PP+ algorithms work:
- TD=1 only if the last high pivot is violated
- TD=0 only if the price went trough a ...
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Many of MS users bent their head against the wall trying to code some recursive filters that are so abundant in the trading literature.
I will split this post in 2 subjects:
1) The ''+PREV-PREV'' construct explanation
If one of the MSFL experts can provide some details about how this construct works and few examples about what can be achieved ...
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FXLearning
As I know, the DML implementation of the Dr.J.Ehlers version published in the ''Cybernetics...'' is quite the same, maybe with the only exception of the 7 bars initialization code segment. I was able to implement it by using a linear compensation slope for Alpha with a length (in bars) that is a parameter for the user (the ...
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FXLearning
I bought the ADSI package and the Laguerre function/s are available in the product's DLL format.
Is much more faster and more precise in the same time.
You can apply it to other indicators as well, plus is coming with a set of a lot more tools.
You can check it out at:
http://www.thedml.com
The manual that comes with the product ...
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Thank you Mr. Robertson for your support.
I have re-sent the files describing the Downloader Translate bug to the email address you have speciffied.
It's refreshing to see that there is someone with the dedication and desire to improve the product features and to rise its competitive level.
Thank you again
Guara
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I am amazed, lately, by how many tools I can find on the net that are addressing the features that are ''buggy'' or not available in MetaStock.
I became painfully aware of the MS limitations in some critical areas ( MSFL-the Formula Language, Downloader data translation bug, real-time local folder updating incapability for Forex symbols, no ...
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Marilyn/FXLearning
I have to acknowledge that my transition from QC to eSignal went very smooth and without any issues.
I was re-imbursed for the rest of the unused months by Equis.
I have to update the info about the price difference thou: is not 60% in eSignal's favor but only 35% (for a eSignasl-Basic+Forex subscription).
For a eSignal-Basic ...
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