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From mgrzenda <>
Subject [GitHub] incubator-samoa pull request #61: SAMOA-68: Saving true and predicted labels...
Date Mon, 03 Jul 2017 14:07:01 GMT
Github user mgrzenda commented on a diff in the pull request:
    --- Diff: samoa-api/src/main/java/org/apache/samoa/evaluation/
    @@ -179,6 +211,28 @@ private void addMeasurement() {
    +  /**
    +   * This method is used to create one line of a text file containing predictions and
votes (for classification only).
    +   * In case, this is the first line a header line is also added
    +   */
    +  private void addVote() {
    +    List<Vote> votes = new Vector<>();
    +    Collections.addAll(votes, evaluator.getPredictionVotes());
    +    Vote[] finalVotes = votes.toArray(new Vote[votes.size()]);
    +    learningCurve.setVote(finalVotes);
    +    logger.debug("evaluator id = {}",;
    --- End diff --
    The important role of Vote-related methods in LearningCurve is to ensure that Vote objects
are placed every time in the same sequence (which is done by setVote()). This is important
to ensure that individual columns are printed in every line of prediction file in the same
sequence. Hence, we suggest to keep the current solution, which uses learningCurve. The addVoteName()
method is consistent with addMeasurementName() used for the same reason for measurements.

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