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document the new --spaces flag for hyperopt

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Janne Sinivirta 2018-02-10 11:04:16 +02:00
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docs/hyperopt.md
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@ -179,6 +179,22 @@ Example:
python3 ./freqtrade/main.py hyperopt --timeperiod -200
```
### Running hyperopt with smaller search space
Use the `--spaces` argument to limit the search space used by hyperopt.
Letting Hyperopt optimize everything is a huuuuge search space. Often it
might make more sense to start by just searching for initial buy algorithm.
Or maybe you just want to optimize your stoploss or roi table for that awesome
new buy strategy you have.
Legal values are:
- `all`: optimize everything
- `buy`: just search for a new buy strategy
- `sell`: not supported yet
- `roi`: just optimize the minimal profit table for your strategy
- `stoploss`: search for the best stoploss value
- comma-separated list of any of the above values for example `--spaces roi,stoploss`
### Hyperopt with MongoDB
Hyperopt with MongoDB, is like Hyperopt under steroids. As you saw by
executing the previous command is the execution takes a long time.