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https://issues.apache.org/jira/browse/SAMOA-68?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16072490#comment-16072490
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ASF GitHub Bot commented on SAMOA-68:
-------------------------------------

Github user mgrzenda commented on a diff in the pull request:

    https://github.com/apache/incubator-samoa/pull/61#discussion_r125297451
  
    --- Diff: samoa-api/src/main/java/org/apache/samoa/moa/core/Vote.java ---
    @@ -0,0 +1,90 @@
    +package org.apache.samoa.moa.core;
    +
    +/*
    + * #%L
    + * SAMOA
    + * %%
    + * Copyright (C) 2014 - 2015 Apache Software Foundation
    + * %%
    + * Licensed under the Apache License, Version 2.0 (the "License");
    + * you may not use this file except in compliance with the License.
    + * You may obtain a copy of the License at
    + * 
    + *      http://www.apache.org/licenses/LICENSE-2.0
    + * 
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + * #L%
    + */
    +
    +import java.util.ArrayList;
    +import java.util.List;
    +
    +import org.apache.samoa.moa.AbstractMOAObject;
    +
    +/**
    + * Class for storing votes.
    + * 
    + * @author Maciej Grzenda (maciej.grze...@gmail.com)
    + * @author Jerzy Jegier (jerzy...@wp.pl)
    + *
    + */
    +public class Vote extends AbstractMOAObject {
    --- End diff --
    
    Done. Vote implements Serializable instead of extending AbstractMOAObject 
now.


> Saving true and predicted labels to file
> ----------------------------------------
>
>                 Key: SAMOA-68
>                 URL: https://issues.apache.org/jira/browse/SAMOA-68
>             Project: SAMOA
>          Issue Type: New Feature
>          Components: SAMOA-API
>            Reporter: Maciej Grzenda
>              Labels: features
>
> Currently PrequentialEvaluation task supports dumpFile option.  With this 
> option model performance can be saved to a file. However, in some cases it 
> would be good to save also individual predictions made by a model.  This is 
> useful for model debugging and method development.
> This could be also used to visualize model output, calculate custom 
> performance indicators (e.g. model accuracy for instances of a certain class 
> or sharing the same feature value).  Such saving of model output (if done) 
> should be made for every instance. Hence, a new option making it possible to 
> dump predictions to a separate file seems justified.  For classification, it 
> should include votes made for individual classes, if available.



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