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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAHOUT-1113) Need test case to demonstrate simple use of SGD
Date Wed, 14 Nov 2012 10:16:14 GMT

    [ https://issues.apache.org/jira/browse/MAHOUT-1113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497000#comment-13497000
] 

Sean Owen commented on MAHOUT-1113:
-----------------------------------

MacRoman is the default platform encoding for Macs. While we ought to use UTF-8 in general
as a default, for maximum glitch avoidance, we should also not put any characters in the source
code that aren't part of the ASCII character set. All of these various encodings agree in
their encoding for these characters, by design, so it wouldn't matter. (You can use \uXXXX
syntax in Java source to write any UCS2 code point.)

But, I don't think this is evidence of any problem. It just shows that the patch says it was
using MacRoman encoding. Mac (and Linux, and Unix) newlines are the LF character, which is
'\n'. I think that the snippet you are quoting merely showed them escaped.

Did you look at the file in HEAD? it's fine. There is no problem here.
                
> Need test case to demonstrate simple use of SGD
> -----------------------------------------------
>
>                 Key: MAHOUT-1113
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1113
>             Project: Mahout
>          Issue Type: Improvement
>            Reporter: Ted Dunning
>            Priority: Minor
>
> Need a test case that shows how to use SGD on a well known data set like the Iris data.

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