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https://issues.apache.org/jira/browse/MAHOUT-71?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated MAHOUT-71:
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Fix Version/s: 0.3
Assignee: Deneche A. Hakim
Deneche do you think this issue is still live? Is it possible to read any input
in general into matrix form?
> Dataset to Matrix Reader
> ------------------------
>
> Key: MAHOUT-71
> URL: https://issues.apache.org/jira/browse/MAHOUT-71
> Project: Mahout
> Issue Type: New Feature
> Reporter: Deneche A. Hakim
> Assignee: Deneche A. Hakim
> Priority: Minor
> Fix For: 0.3
>
>
> This component should allow the input datasets to be read as Matrix Rows.
> A Map-Reduce Algorithm should handle any dataset in a matrix format, where
> the collumns are the attributes (and one of them is the Label) and the rows
> are the datas.
> Working with Hadoop, we'll need to pass the dataset in the mapper's input, so
> it must be a file (or many files). We'll then need a custom InputFormat to
> feed the mappers with the data, and here comes the lovely-named "row-wise
> splitting matrix input format".
> Now we want to be able to work with any given dataset file format (including
> the ARFF and my custom format), and thus the InputFormat needs a decoder that
> converts the dataset lines into matrix rows.
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