A program to recognize and reward our most engaged community members
<operator name="Root" class="Process" expanded="yes"> <description text="#ylt#h3#ygt#Dimensionality reduction on text documents#ylt#/h3#ygt##ylt#p#ygt#In this experiment, texts are visualized on a 2D area by applying dimensionality reduction. After the experiment finished, select the attributes d1 and d2 as x and y in the scatter plotter and the attribute label as plot#ylt#/p#ygt#. #ylt#p#ygt##ylt#b#ygt#Hint:#ylt#/b#ygt# Double-click on any point to see a pop-up window with the full text.#ylt#/p#ygt#"/> <operator name="TextInput" class="TextInput" expanded="yes"> <parameter key="create_text_visualizer" value="true"/> <parameter key="id_attribute_type" value="long"/> <list key="texts"> <parameter key="graphics" value="../data/newsgroup/graphics"/> <parameter key="hardware" value="../data/newsgroup/hardware"/> </list> <operator name="StringTokenizer" class="StringTokenizer"> </operator> <operator name="EnglishStopwordFilter" class="EnglishStopwordFilter"> </operator> <operator name="TokenLengthFilter" class="TokenLengthFilter"> <parameter key="min_chars" value="3"/> </operator> <operator name="PorterStemmer" class="PorterStemmer"> </operator> </operator> <operator name="SVDReduction" class="SVDReduction"> </operator></operator>