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Update freqai-feature-engineering.md

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The `metadata` section of `freqai-feature-engineering.md` had a misplaced whitespace in front of the title. 

This PR removes the whitespace.
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Robert Caulk 2023-04-01 11:42:54 +02:00 committed by Matthias
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@ -182,7 +182,7 @@ In total, the number of features the user of the presented example strat has cre
$= 3 * 3 * 3 * 2 * 2 = 108$.
### Gain finer control over `feature_engineering_*` functions with `metadata`
### Gain finer control over `feature_engineering_*` functions with `metadata`
All `feature_engineering_*` and `set_freqai_targets()` functions are passed a `metadata` dictionary which contains information about the `pair`, `tf` (timeframe), and `period` that FreqAI is automating for feature building. As such, a user can use `metadata` inside `feature_engineering_*` functions as criteria for blocking/reserving features for certain timeframes, periods, pairs etc.