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            <title>Re: Negative R^2 value</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=6911848&amp;tstart=0#6911848</link>

        

            <description><![CDATA[The coefficient of determination is always in [0,1] for linear regression. For statistical procedures other than linear regression, ad hoc "R-squared]]></description>

        

            <jf:creationDate>Nov 23, 2009 10:48:01 PM</jf:creationDate>
            <jf:modificationDate>Nov 23, 2009 10:48:01 PM</jf:modificationDate>
            <jf:author>chunchun</jf:author>
            <jf:replyCount>0</jf:replyCount>
        </item>

        <item>
            <title>Re: Negative R^2 value</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=6190954&amp;tstart=0#6190954</link>

        

            <description><![CDATA[rho, which is the square root of r^2 can be negative.  It varies between -1 and 1.<br>]]></description>

        

            <jf:creationDate>Apr 24, 2008 12:06:01 AM</jf:creationDate>
            <jf:modificationDate>Apr 24, 2008 12:06:01 AM</jf:modificationDate>
            <jf:author>sjmyers@syr.edu</jf:author>
            <jf:replyCount>0</jf:replyCount>
        </item>

        <item>
            <title>Negative R^2 value</title>
        
            <link>http://mathforum.org/kb/thread.jspa?messageID=5950182&amp;tstart=0#5950182</link>

        

            <description><![CDATA[Dear all,<br><br>I have a software named Microcal Origin. Today, I used its function Non-Linear Curver Fitting and got a result of negative R^2]]></description>

        

            <jf:creationDate>Oct 12, 2007 2:25:29 PM</jf:creationDate>
            <jf:modificationDate>Oct 12, 2007 2:25:29 PM</jf:modificationDate>
            <jf:author>ducta</jf:author>
            <jf:replyCount>2</jf:replyCount>
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