Machine learning in trading: theory, models, practice and algo-trading - page 80
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This man recommends reading "MSUA" and spectral analysis in particular Fourier
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Further what results I "demagog" have achieved, but in fact very modest, good ideas as I think a lot, my research is going in many directions simultaneously and there is a huge lack of knowledge in various fields, so often ask for help from forum participants, but especially no one wants to help, they say you learn yourself, and then..... only if I myself mastered all then what I this communication, as without logic to me ... well that I digressed
Here's the best thing on the moment. that I managed to squeeze out of RF on the new data is 50% per month for two months in a row, but everything is still very unstable, I tried to upload pictures 10 times, but it does not work (got it)
The bottom line is that there is no need to limit yourself to patterns such as 30% per year is cool, it's not cool, this framework for the mind and creativity
Congratulations. That's how you trade for five years. Or show any data real. statistics for 5 years.
And about the signs, I do not want to make a couch analysis, like, your signs are rubbish, there are better signs, the models are not important. Well, show me what you did. I posted all my inputs here, and their combinations, too. Count their informative value. Why else would you be swaying the air?
What does "RF 10/5" mean
Yes, I made a note for myself on the picture when I tested the model on new data, don't pay attention to it ....
this is the model parameter 5 trees 10 branches in a tree
Yes, I made a note for myself on the picture when I tested the model on new data, don't pay attention to it ....
this is the model parameter 5 trees 10 branches in a tree
Very interesting!
Can you throw in any details?
Here's the best at the moment. that I managed to squeeze out of RF on the new data is 50% a month for two months in a row, but everything is still very unstable, I tried to upload pictures 10 times, but did not get (got it)
The point is that you do not have to limit yourself to patterns like 30% a year is cool, it's not cool, it's a framework for the mind and creativity
It's all very interesting!
Can you throw in any details?
Is this a back-test on out-of-sample data? Did I get it right?
yes
Sounds like improper model training, too much variation. Models usually have some random processes in training, where the learning logic is not consistently defined. Such random moments lead to the fact that having trained several models, although they will give approximately the same results on training data, but on the fronttest there will be differences.
There are several sources of the problem and its solutions:
1) there are noise inputs which don't carry useful information, they must be removed
2) change training parameters of the model. For neuronkey I solved this problem by using decay parameter (learning curve deceleration), the results on fronttest with this parameter became less scattered. What to do with the forest, I do not know.
3) Make a committee of models. Train a lot of models, fronttest on all models, take the result where most say
4) if you do crossvalidation in the process of training - then repeat it several times on the same data, see how much variation in the results, choose models and predictors with a small spread
This is what came to mind right now, but it's not the limit of possible problems.
Develop the idea. add more data. need a couple of years out of the sample. But anyway, good job!