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Stavros Kontopoulos edited comment on FLINK-5785 at 3/8/17 8:25 PM: -------------------------------------------------------------------- [~beera] Let me know if you want any kind of help. was (Author: skonto): [~beera] If you do that please follow my approach here for raising exceptions: https://github.com/skonto/flink/blob/6736a66ae1bd2c0efbaa29cf170cabd18b281a8a/flink-libraries/flink-ml/src/main/scala/org/apache/flink/ml/preprocessing/Normalizer.scala#L127 I will finish that PR for unit scaling ASAP. > Add an Imputer for preparing data > --------------------------------- > > Key: FLINK-5785 > URL: https://issues.apache.org/jira/browse/FLINK-5785 > Project: Flink > Issue Type: New Feature > Components: Machine Learning Library > Reporter: Stavros Kontopoulos > Assignee: Stavros Kontopoulos > > We need to add an Imputer as described in [1]. > "The Imputer class provides basic strategies for imputing missing values, > either using the mean, the median or the most frequent value of the row or > column in which the missing values are located. This class also allows for > different missing values encodings." > References > 1. http://scikit-learn.org/stable/modules/preprocessing.html#preprocessing > 2. > http://scikit-learn.org/stable/auto_examples/missing_values.html#sphx-glr-auto-examples-missing-values-py -- This message was sent by Atlassian JIRA (v6.3.15#6346)