Machine learning in trading: theory, models, practice and algo-trading - page 3020
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Accuracy works fine with balanced classes. Tried all standard metrics, almost no difference in results.
Still, they are different values. Let's assume for simplicity that take profit = stop loss = 1 and spread = 0. In each trade we either enter or not - for simplicity, the system is only for purchases (for sales let a different model).
Accuracy = (True positives + True negatives)/ (True positives + True negatives + False positives + False negatives)
Profit_total = True positives - False positives
Accuracy seems to fit the requirements for the split method in the tree, but profit seems not.
Profit maximisation is implemented through markup with maximally profitable trades, isn't it?).
For simplicity, all trades give the same profit or loss (1 or -1)
1) trade costs are not taken into account through classification, the class mark may show that it is necessary to prolong, but it may be so that it is more economically profitable to keep on buying,
profit maximisation takes this into account.
2) the same with volatility
3) it is not clear how to realise the three states buy, sell, do nothing, not in the context of the three classes, but specifically about trading
4) it is not clear how to manage stops/teaks via MO through classification
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Still, these are different values. Let's assume for simplicity that always take profit = stop loss = 1 and spread = 0. In each trade we either enter or not - for simplicity, the system is only for purchases (for sales let a different model).
Accuracy = (True positives + True Negatives)/ (True positives + True negatives + False positives + False negatives)
Profit_total = True positives - False positives
Accuracy seems to fit the requirements for the split method in the tree, but profit seems not to.
For simplicity, all trades give the same profit or loss (1 or -1)
Have you tried this approach ? (look for the Model Interpretation section about halfway down the page)
The order of such markup is approximately as follows: you take profitable trades with a minimum step, in different directions, depending on fluctuations. You go through them, combining unidirectional ones into one and counting the number of pips taking into account the costs. If it is more than two, you combine them into one, otherwise you leave the short ones.
1) Even if it works, it turns out that for each task you need to invent some crutch algorithm to implement it as a ready-made target?
Isn't it easier to write a FF and just say AMO is good/bad, and it will be good for any task, universal solution...?
2) good target != well trained AMO for this target.
The target may be good, but the algorithm cannot be trained for it, so it's not the target that should be evaluated, it's the trained AMO.
And you realised this when I was talking about FF, but I see you have forgotten it already
1) Even if it works, it turns out that for each task it is necessary to invent some crutch algorithm to implement it as a ready target?
Wouldn't it be easier to write a FF and just say AMO - good/bad, and it will be good for any task, universal solution...?
2) good target != well-trained AMO under this target.
The target may be good, but the algorithm cannot be trained for it, so it is not the target that should be evaluated, but the trained AMO.
And you realised this when I was talking about FF, but I see you've forgotten.
I understand, you don't realise that the FF is put into the dataset. You're confusing warm and soft, you're doing extra work.
If everything was as you say, there would be no RL...
And in general, it's good that everyone does it his own way, more opinions - richer search space....
I don't do it much anymore, I'm past that stage...
If it was as you say, there'd be no RL in the first place.
And it's nowhere to be found, only on paper