Spark Plug
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Real PySpark, graded in seconds. Pick a problem and hit Run.
Difficulty
All
easy
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Topic
All
aggregations
joins
reshaping
selecting and filtering
strings dates nulls
window functions
Daily Ride Count
easy
aggregations
groupBy
count
Distinct Buyers
easy
aggregations
countDistinct
groupBy
Priciest Per Category
easy
aggregations
groupBy
max
Revenue Per Store
easy
aggregations
groupBy
sum