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Updated documentation for new hyperopt

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Stephen Dade 2018-03-22 21:07:22 +11:00 committed by Matthias
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@ -21,16 +21,19 @@ and still take a long time.
We recommend you start by taking a look at `hyperopt.py` file located in [freqtrade/optimize](https://github.com/freqtrade/freqtrade/blob/develop/freqtrade/optimize/hyperopt.py) We recommend you start by taking a look at `hyperopt.py` file located in [freqtrade/optimize](https://github.com/freqtrade/freqtrade/blob/develop/freqtrade/optimize/hyperopt.py)
### Configure your Guards and Triggers ### 1. Configure your Guards and Triggers
There are two places you need to change to add a new buy strategy for testing: There are two places you need to change in your strategy file to add a
- Inside [populate_buy_trend()](https://github.com/freqtrade/freqtrade/blob/develop/freqtrade/optimize/hyperopt.py#L231-L264). new buy strategy for testing:
- Inside [hyperopt_space()](https://github.com/freqtrade/freqtrade/blob/develop/freqtrade/optimize/hyperopt.py#L213-L224)
and the associated methods `indicator_space`, `roi_space`, `stoploss_space`.
There you have two different type of indicators: 1. `guards` and 2. `triggers`. - Inside [populate_buy_trend()](https://github.com/freqtrade/freqtrade/blob/develop/user_data/hyperopts/test_hyperopt.py#L230-L251).
1. Guards are conditions like "never buy if ADX < 10", or "never buy if - Inside [indicator_space()](https://github.com/freqtrade/freqtrade/blob/develop/user_data/hyperopts/test_hyperopt.py#L207-L223).
current price is over EMA10".
There you have two different type of indicators: 1. `guards` and 2.
`triggers`.
1. Guards are conditions like "never buy if ADX < 10", or never buy if
current price is over EMA10.
2. Triggers are ones that actually trigger buy in specific moment, like 2. Triggers are ones that actually trigger buy in specific moment, like
"buy when EMA5 crosses over EMA10" or "buy when close price touches lower "buy when EMA5 crosses over EMA10" or "buy when close price touches lower
bollinger band". bollinger band".
@ -124,9 +127,11 @@ Because hyperopt tries a lot of combinations to find the best parameters it will
We strongly recommend to use `screen` or `tmux` to prevent any connection loss. We strongly recommend to use `screen` or `tmux` to prevent any connection loss.
```bash ```bash
python3 ./freqtrade/main.py -c config.json hyperopt -e 5000 python3 ./freqtrade/main.py -s <strategyname> --hyperopt <hyperoptname> -c config.json hyperopt -e 5000
``` ```
Use `<strategyname>` and `<hyperoptname>` as the names of the custom strategy and custom hyperopt used.
The `-e` flag will set how many evaluations hyperopt will do. We recommend The `-e` flag will set how many evaluations hyperopt will do. We recommend
running at least several thousand evaluations. running at least several thousand evaluations.