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save_live_data_backtest - added docs and tests

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Wagner Costa Santos
2022-11-17 15:20:07 -03:00
parent 99bff9cbfa
commit 3903b04d3f
6 changed files with 114 additions and 11 deletions
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docs/freqai-parameter-table.md
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@@ -15,6 +15,7 @@ Mandatory parameters are marked as **Required** and have to be set in one of the
| `expiration_hours` | Avoid making predictions if a model is more than `expiration_hours` old. <br> **Datatype:** Positive integer. <br> Default: `0` (models never expire).
| `purge_old_models` | Delete obsolete models. <br> **Datatype:** Boolean. <br> Default: `False` (all historic models remain on disk).
| `save_backtest_models` | Save models to disk when running backtesting. Backtesting operates most efficiently by saving the prediction data and reusing them directly for subsequent runs (when you wish to tune entry/exit parameters). Saving backtesting models to disk also allows to use the same model files for starting a dry/live instance with the same model `identifier`. <br> **Datatype:** Boolean. <br> Default: `False` (no models are saved).
| `save_live_data_backtest` | Save live dataframe during dry/live runs to reuse in backtesting with [Backtest live models](freqai-running.md#backtest_live_models)) option.
| `fit_live_predictions_candles` | Number of historical candles to use for computing target (label) statistics from prediction data, instead of from the training dataset (more information can be found [here](freqai-configuration.md#creating-a-dynamic-target-threshold)). <br> **Datatype:** Positive integer.
| `follow_mode` | Use a `follower` that will look for models associated with a specific `identifier` and load those for inferencing. A `follower` will **not** train new models. <br> **Datatype:** Boolean. <br> Default: `False`.
| `continual_learning` | Use the final state of the most recently trained model as starting point for the new model, allowing for incremental learning (more information can be found [here](freqai-running.md#continual-learning)). <br> **Datatype:** Boolean. <br> Default: `False`.

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docs/freqai-running.md
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@@ -81,7 +81,10 @@ To save the models generated during a particular backtest so that you can start
### Backtest live models
FreqAI allow you to reuse ready models through the backtest parameter `--freqai-backtest-live-models`. This can be useful when you want to reuse models generated in dry/run for comparison or other study. For that, you must set `"purge_old_models"` to `False` in the config.
FreqAI allow you to reuse ready models 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. For that, you have 2 options:
1. Set `"save_live_data_backtest"` to `True` in the config. With this option, FreqAI will save the live dataframe for reuse in backtesting. This option requires less disk space and backtesting will run faster.
2. Set `"purge_old_models"` to `False` and `"save_live_data_backtest"` to `False` in the config. In this case, FreqAI will use the saved models to make the predictions in backtesting. This option requires more disk space and the backtest will have a longer execution time.
The `--timerange` parameter must not be informed, as it will be automatically calculated through the training end dates of the models.