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feature-engineering

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nni
adchia
adchia commented Sep 5, 2021

Currently, if you try to use BQ and materialize a feature that is a list (of numbers, strings, etc), Feast will crash because in BQ, the value type of the feature is a dictionary, such as

{'list': [{'item': 3}, {'item': 3}]}
In materialize, we convert the latest values retrieval job to a pyarrow table and then converts to ValueProtos to write. This calls

`python_type_to_feast_value_type

evalml
freddyaboulton
freddyaboulton commented Sep 3, 2021

Woodwork introduced the ability to initialize typing information with a partial schema in alteryx/woodwork#1100

This means that we can potentially get rid of _retain_custom_types_and_intialize_woodwork and therefore retain more than just the logical types after some components modify the input data in a way that breaks the woodwork schema.

For example, this is how t

Hyperactive

Feature engineering is the process of using domain knowledge to extract features from raw data via data mining techniques. These features can be used to improve the performance of machine learning algorithms. Feature engineering can be considered as applied machine learning itself.

  • Updated Nov 29, 2020
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