Github user p4nna closed the pull request at:
https://github.com/apache/flink/pull/3625
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GitHub user p4nna opened a pull request:
https://github.com/apache/flink/pull/3625
[FLINK-5785] Add an Imputer for preparing data
Provides an Imputer for sparse DataSets of Vectors.
Adds missing values with the mean, median or most frequent value of each
vector resp. dimension
