Data Science
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jmvllt
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17
With unbalanced class, do I have to use under sampling on my validation/testing datasets?
13
Do I have to standardize my new polynomial features?
10
One Hot encoding for large number of values
8
When do I have to use aucPR instead of auROC? (and vice versa)
8
Spark Is there any rule of thumb about the optimal number of partition of a RDD and its number of elements?

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