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<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Recent changes to 578: Decision Tree classifier has a problem in classifying instances</title><link>https://sourceforge.net/p/gnuwin32/bugs/578/</link><description>Recent changes to 578: Decision Tree classifier has a problem in classifying instances</description><atom:link href="https://sourceforge.net/p/gnuwin32/bugs/578/feed.rss" rel="self"/><language>en</language><lastBuildDate>Fri, 12 Jun 2020 17:43:25 -0000</lastBuildDate><atom:link href="https://sourceforge.net/p/gnuwin32/bugs/578/feed.rss" rel="self" type="application/rss+xml"/><item><title>Decision Tree classifier has a problem in classifying instances</title><link>https://sourceforge.net/p/gnuwin32/bugs/578/</link><description>&lt;div class="markdown_content"&gt;&lt;p&gt;I am doing feature construction and I want to use a decision tree (DT) classifier as evaluator for my results. I face a problem in that the DT could not classify a test instance. This makes the code throw the following exception&lt;br/&gt;
Exception in thread "main" net.sf.javaml.tools.weka.WekaException: java.lang.IllegalArgumentException: Value not defined for given nominal attribute!&lt;br/&gt;
I need to know how this happened while I have two nominal values for the class label&lt;/p&gt;&lt;/div&gt;</description><dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">ahmed</dc:creator><pubDate>Fri, 12 Jun 2020 17:43:25 -0000</pubDate><guid>https://sourceforge.net256975b26e8b91fee77687ceb9c5a89143508657</guid></item></channel></rss>