PYTHON : Count the distinct elements of each group by other field on a Spark 1.6 Dataframe
PYTHON : Count the distinct elements of each group by other field on a Spark 1.6 Dataframe
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PYTHON : Count the distinct elements of each group by other field on a Spark 1.6 Dataframe
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Spark each : other a the by group elements field Dataframe of Count distinct on 1.6 PYTHON