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creating a nested json output from a flat dataframe

0 Answers

0 Votes

108 Views

commented by

kamal kaur on Jul 16, '17

dataframe·udaf·groupby·nested json

Dataset groupby and udaf

0 Answers

0 Votes

77 Views

asked by

zhuangmz on Aug 1, '16

groupby·first·last

DF avg(count): double

3 Answers

0 Votes

82 Views

answered by

Kidus Mulugeta on Jul 29, '16

count·groupby·mean·aggregates

Spark 1.6.1 Dataset groupBy multiple columns, Row type not supported by encoder in mapGroups

0 Answers

0 Votes

636 Views

asked by

tmp123 on Jul 27, '16

sql·dataset·spark 1.6.1·groupby·encoder

9 Posts

7 Users

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aggregates udaf mean count spark 1.6.1 dataset encoder sql first last dataframe nested json

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