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From "Chesnay Schepler (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (FLINK-9664) FlinkML Quickstart Loading Data section example doesn't work as described
Date Tue, 14 Aug 2018 10:14:00 GMT

     [ https://issues.apache.org/jira/browse/FLINK-9664?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chesnay Schepler closed FLINK-9664.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: 1.7.0

master: d538c9deb4d41e9c5efcfb75a794d0960d895e39

> FlinkML Quickstart Loading Data section example doesn't work as described
> -------------------------------------------------------------------------
>
>                 Key: FLINK-9664
>                 URL: https://issues.apache.org/jira/browse/FLINK-9664
>             Project: Flink
>          Issue Type: Bug
>          Components: Documentation, Machine Learning Library
>    Affects Versions: 1.5.0
>            Reporter: Mano Swerts
>            Assignee: Rong Rong
>            Priority: Major
>              Labels: documentation-update, machine_learning, ml, pull-request-available
>             Fix For: 1.7.0
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> The ML documentation example isn't complete: [https://ci.apache.org/projects/flink/flink-docs-release-1.5/dev/libs/ml/quickstart.html#loading-data]
> The referred section loads data from an astroparticle binary classification dataset
to showcase SVM. The dataset uses 0 and 1 as labels, which doesn't produce correct results.
The SVM predictor expects -1 and 1 labels to correctly predict the label. The documentation,
however, doesn't mention that. The example therefore doesn't work without a clue why.
> The documentation should be updated with an explicit mention to -1 and 1 labels and a
mapping function that shows the conversion of the labels.



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