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Got Accord.net coding experience?
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Got Accord.net coding experience?

  #11 (permalink)
Winning Is What I do
Sacramento, CA
 
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Maybe because im using inputs one to a "period" would cause such large numbers since it uses exponents? Like x input 89^3

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  #12 (permalink)
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Bug Report Filed

I Filed a bug report to see if Cesar can figure out what is going on:

https://github.com/accord-net/framework/issues/434

It usually takes him a while as the Accord .NET library is huge and he is the only developer working on the project.

Nil per os
-NJAMC [Generic Programmer]

LOM WIKI: NT-Local-Order-Manager-LOM-Guide
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  #13 (permalink)
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NJAMC View Post
I Filed a bug report to see if Cesar can figure out what is going on:

https://github.com/accord-net/framework/issues/434

It usually takes him a while as the Accord .NET library is huge and he is the only developer working on the project.

Cesar has confirmed there is a problem with that class:

"Many thanks for opening the issue. Indeed there are some issues with the PolynomiaLeastSquares class, that probably got introduced during the rush to port all learning algorithms to the new .Learn() interfaces.

There are at least two problems there, both happening for the roughly the same reason: The .ToString() method and the .Learn are still reflecting the old implementation, where the intercept was stored as the last element of the .Coefficients array (which now it is stored as separate value in the .Intercept property).

I will add more tests and fix it before the next pre-release.

Regards,
Cesar"

Nil per os
-NJAMC [Generic Programmer]

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  #14 (permalink)
Winning Is What I do
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You're right! Great analysis of the problem. Thanks for putting in the request, now we wait for the next release. Its important to note Accord is an open source project, not a finished commercial product, so everyone knows. I wonder about the multi reg function has problems too?

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  #15 (permalink)
Winning Is What I do
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On a side note, we can also interoperate R and NT with R.NET, which has a wealth of useful features! Check it out!

Update: A major downside of R.net only allows one instance at a time, so you can only use it in one indicator at a time. Bummer.... Can't figure a work around. If you try to access it multiple times from different indicator, you get errors or NT crash. Any Ideas?


Last edited by ericson; February 20th, 2017 at 10:09 PM.
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  #16 (permalink)
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ericson View Post
You're right! Great analysis of the problem. Thanks for putting in the request, now we wait for the next release. Its important to note Accord is an open source project, not a finished commercial product, so everyone knows. I wonder about the multi reg function has problems too?

Hi @ericson,

Cesar has closed the bug report stating it has been fixed in Ver 3.5.0:
https://github.com/accord-net/framework/issues/434

Nil per os
-NJAMC [Generic Programmer]

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  #17 (permalink)
Trading Apprentice
Haifa israel
 
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Hi Guys.

I'm new to NT8 but old to ML.
I tried to add Accord to ninjatrader, this is the NT8 version I use: 8.0.8.0 64-bit (Standard).

I try to do this:
var smo = new SequentialMinimalOptimization<Gaussian>()
{
Complexity = 100 // Create a hard-margin SVM
};



It's compiles with no issues. but I get run-time error:

Strategy 'ScalperGilbollinger': Error on calling 'OnBarUpdate' method on bar 0: Could not load file or assembly 'Accord.MachineLearning, Version=3.6.0.0, Culture=neutral, PublicKeyToken=fa1a88e29555ccf7' or one of its dependencies. The system cannot find the file specified.

maybe you can guide me on how to install the Accord correctly?
maybe you can share the Accord DLL files....

thanks

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  #18 (permalink)
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gsapir View Post
maybe you can guide me on how to install the Accord correctly?

I don't use Accord but you need to add DLL files to NT8 using the right mouse menu 'References...' option in any single source code file, then they are available to all.

Travel Well
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  #19 (permalink)
Trading Apprentice
Haifa israel
 
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I know, and I did that.
I also used build 4.5 so it will be compatible with NT8.
still the same error

@ericson
are you familiar with this issue?

@ratfink
Are you using other machine learning library ? can you advice ?

thanks

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  #20 (permalink)
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gsapir View Post
@ratfink
Are you using other machine learning library ? can you advice ?

Sorry I am not at the moment but hope to be soon, @rleplae and @NJAMC are good sources on FIO.

Cheers

Travel Well
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