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Notebook: Data Preprocessing for Machine Learning #449

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enryH opened this issue Apr 23, 2019 · 0 comments
Open

Notebook: Data Preprocessing for Machine Learning #449

enryH opened this issue Apr 23, 2019 · 0 comments

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@enryH
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enryH commented Apr 23, 2019

Hey,

I took samples from your code in order to test Dataflow. When trying to run the pipeline on the full-dataset, your examples notebook says: "Note, you can change the first arugment to "None" to process the full dataset." This did not work for me. I had to change the create_query-fct:
Instead of
AND MOD(ABS(FARM_FINGERPRINT(CAST(pickup_datetime AS STRING))), EVERY_N) = 1
I had to put
AND MOD(ABS(FARM_FINGERPRINT(CAST(pickup_datetime AS STRING))), EVERY_N) = 0
and then use in the function call EVERY_N=1:
preprocess("1", "DataflowRunner")

My notebook is available here.

Original Notebook "
Data Preprocessing for Machine Learning": /courses/machine_learning/deepdive/04_advanced_preprocessing/a_dataflow.ipynb

Best, Henry

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