New answers tagged efficiency
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There is several techniques that could work for you:
Target Encoder: Works well when there is a high cardinality of a categorical feature.
Ordinal/Label Encoding: Tradition label encoding
Weight Of Evidence: tells the predictive power of an independent variable in relation to the dependent variable
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Things I care about a lot:
list comprehensions instead of loops
use apply + lambda functions when forced to iterate operations on pandas dataframes
use @tf.function decorator on top of TensorFlow functions to speed up computation
use as much SQL as possible when importing data from databases, to avoid doing the same stuff in Python
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