[ https://issues.apache.org/jira/browse/MAHOUT-354?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hui Wen Han updated MAHOUT-354: ------------------------------- Attachment: screenshot-1.jpg the output like this > make the output of RecommenderJob more readable > ----------------------------------------------- > > Key: MAHOUT-354 > URL: https://issues.apache.org/jira/browse/MAHOUT-354 > Project: Mahout > Issue Type: Improvement > Components: Collaborative Filtering > Affects Versions: 0.4 > Reporter: Hui Wen Han > Attachments: screenshot-1.jpg > > > now the output of RecommenderMapper as following: > output.collect(userID, new RecommendedItemsWritable(recommendations)); > Can we change it more readable like following: > private final Text user = new Text(); > private final Text recomScore = new Text(); > private static final String FIELD_SEPERATOR = ","; > for (RecommendedItem recommendation : recommendations) > { > user.set(String.valueOf(userId)); > recomScore.set(recommendation.getItemID() + FIELD_SEPERATOR + > recommendation.getValue()); > output.collect(user, recomScore); > } > then user can read and verify the result more convenient and need not depend > on the mahout API -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.