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docs: explain that the strategy may be called with dataframe of length 1

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Matthias 2024-07-25 06:39:35 +02:00
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docs/freqai-running.md
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@ -83,6 +83,10 @@ To change your **features**, you **must** set a new `identifier` in the config t
To save the models generated during a particular backtest so that you can start a live deployment from one of them instead of training a new model, you must set `save_backtest_models` to `True` in the config.
!!! Note
To ensure that the model can be reused, freqAI will call your strategy with a dataframe of length 1.
If your strategy requires more data than this to generate the same features, you can't reuse backtest predictions for live deployment and need to update your `identifier` for each new backtest.
### Backtest live collected predictions
FreqAI allow you to reuse live historic predictions through the backtest parameter `--freqai-backtest-live-models`. This can be useful when you want to reuse predictions generated in dry/run for comparison or other study.