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<!DOCTYPE HTML> | ||
<!-- | ||
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<head> | ||
<title>Weka 3 - Data Mining with Open Source Machine Learning Software in Java </title> | ||
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<link rel="shortcut icon" href="favicon.ico" /> | ||
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<li><a href="./index.html">Weka</a></li> | ||
<li><a href="./book.html">Book</a></li> | ||
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<li><a href="https://waikato.github.io/weka-blog/">Blog</a></li> | ||
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</div> | ||
<div class="col-8 col-7-large col-12-medium"> | ||
<header> | ||
<h1><strong>WEKA</strong></h1> | ||
<H2>The workbench for machine learning</h2> | ||
</header> | ||
<p>Weka is tried and tested open source machine learning software that can be accessed through a graphical user interface, standard terminal applications, or a Java API. It is widely used for teaching, research, and industrial applications, contains a plethora of built-in tools for standard machine learning tasks, and additionally gives transparent access to well-known toolboxes such as <a href="https://markahall.blogspot.co.nz/2015/06/cpython-integration-in-weka.html" target="_blank">scikit-learn</a>, <a href="https://markahall.blogspot.com/2012/07/r-integration-in-weka.html" target="_blank">R</a>, and <a href="https://deeplearning.cms.waikato.ac.nz" target="_blank">Deeplearning4j</a>. | ||
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</p> | ||
<a href="https://waikato.github.io/weka-wiki/downloading_weka/" class="button">Download and install</a> | ||
<a href="https://waikato.github.io/weka-wiki/documentation" class="button scrolly">Docs</a> | ||
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<header> | ||
<h1 name="GetStart" id="GetStart">Getting Started</h1> | ||
</header> | ||
<div class="videoWrapper"> | ||
<iframe width="560" height="315" src="https://www.youtube.com/embed/TF1yh5PKaqI" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe> | ||
<p>Video from <a href="https://twitter.com/random_forests">Josh Gordon</a>, Developer Advocate for @GoogleAI.</p> | ||
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<h2 name="learn" id ="learn" >Machine Learning without Programming</h2> | ||
<p>Weka can be used to build machine learning pipelines, train classifiers, and run evaluations without having to write a single line of code:</p> | ||
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<div class="row"> | ||
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<article class="box style2"> | ||
<span class="image fit"><img src="https://waikato.github.io/weka-site/images/Explorer-1.png" alt=""/></span> | ||
<h3>Open a dataset</h3> | ||
<p>First, we open the <a href="https://waikato.github.io/weka-wiki/datasets/" target="_blank">dataset</a> that we would like to evaluate.</p> | ||
</article> | ||
</div> | ||
<div class="col-4 col-6-medium col-12-small"> | ||
<article class="box style2"> | ||
<span class="image fit"><img src="https://waikato.github.io/weka-site/images/Explorer-2.png" alt=""/></span> | ||
<h3>Choose a classifier</h3> | ||
<p> Second, we select a learning algorithm to use, e.g., the J48 classifier, which learns decision trees.</p> | ||
</article> | ||
</div> | ||
<div class="col-4 col-6-medium col-12-small"> | ||
<article class="box style2"> | ||
<span class="image fit"><img src="https://waikato.github.io/weka-site/images/Explorer-3.png" alt="" /></span> | ||
<h3>Evaluate predictive accuracy</h3> | ||
<p>Finally, we run a 10-fold cross-validation evaluation and obtain an estimate of predictive performance.</p> | ||
</article> | ||
</div> | ||
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<footer> | ||
<p>Note that programmers can also easily implement this pipeline using Weka's Java API:</p> | ||
<p> | ||
<iframe | ||
src="https://carbon.now.sh/embed/?bg=rgba(171%2C%20184%2C%20195%2C%201)&t=seti&wt=sharp&l=text%2Fx-java&ds=true&dsyoff=20px&dsblur=68px&wc=true&wa=true&pv=0px&ph=0px&ln=false&fm=Hack&fs=18px&lh=139%25&si=false&es=4x&wm=false&code=DataSource%2520source%2520%253D%2520new%2520DataSource(%2522%252Fsome%252Fwhere%252Fdata.arff%2522)%253B%250AInstances%2520data%2520%253D%2520source.getDataSet()%253B%250A%250AJ48%2520tree%2520%253D%2520new%2520J48()%253B%250AEvaluation%2520eval%2520%253D%2520new%2520Evaluation(data)%253B%250Aeval.crossValidateModel(tree%252C%2520data%252C%252010%252C%2520new%2520Random(1))%253B" | ||
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<p></p> | ||
<span><img name="deep learning" alt="Deep Learning with Weka" width="100%" src="https://waikato.github.io/weka-site/images/deeplearning.jpg" /></span> | ||
</div> | ||
<div class="col-8 col-7-large col-12-medium"> | ||
<header> | ||
<h1>Deep Learning with WEKA </h1> | ||
</header> | ||
<p><a href="https://deeplearning.cms.waikato.ac.nz">WekaDeeplearning4j</a> is a deep learning package for Weka. Deep neural networks, including convolutional networks and recurrent networks, can be trained directly from Weka's graphical user interfaces, providing state-of-the-art methods for tasks such as image and text classification.</p> | ||
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<a href="https://deeplearning.cms.waikato.ac.nz" class="button">WekaDeeplearning4j</a> | ||
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<!-- Work --> | ||
<article id="work" class="wrapper style1"> | ||
<div class="container"> | ||
<header> | ||
<h2>WEKA Interoperability</h2> | ||
<p>WEKA can be integrated with the most popular data science tools.</p> | ||
</header> | ||
<div class="row aln-center"> | ||
<div class="col-4 col-6-medium col-12-small"> | ||
<section class="box style1"> | ||
<a href="#" class="image featured"><img src="https://waikato.github.io/weka-site/images/R.png" height="200" alt="" /></a> | ||
<h3>R</h3> | ||
<p>Weka models can be used, built, and evaluated in <a href="https://www.r-project.org/" target="_blank">R</a> by using the <a href="https://www.rdocumentation.org/packages/RWeka/" target="_blank">RWeka</a> package for R; conversely, R algorithms and visualization tools can be invoked from Weka using the <a href="https://markahall.blogspot.co.nz/2012/07/r-integration-in-weka.html" target="_blank">RPlugin</a> package for Weka.</p> | ||
</section> | ||
</div> | ||
<div class="col-4 col-6-medium col-12-small"> | ||
<section class="box style1"> | ||
<a href="#" class="image featured"><img src="https://waikato.github.io/weka-site/images/python.png" height="100" alt="" /></a> | ||
<h3>Python</h3> | ||
<p>Weka's functionality can be accessed from Python using the <a href="https://github.com/fracpete/python-weka-wrapper3" target="_blank">Python Weka Wrapper</a>. Conversely, Python toolkits such as scikit-learn <a href="https://markahall.blogspot.co.nz/2015/06/cpython-integration-in-weka.html" target="_blank">can be used from Weka</a>.</p> | ||
</section> | ||
</div> | ||
<div class="col-4 col-6-medium col-12-small"> | ||
<section class="box style1"> | ||
<a href="#" class="image featured"><img src="https://waikato.github.io/weka-site/images/spark.png" height="150" alt="" /></a> | ||
<h3>Spark</h3> | ||
<p>For running Weka-based algorithms on truly large datasets, the <a href="https://markahall.blogspot.com/2015/03/weka-and-spark.html" target="_blank">distributed Weka for Spark | ||
package</a> is available. It makes it possible to train | ||
any Weka classifier in Spark, for example. </p> | ||
</section> | ||
</div> | ||
</div> | ||
</div> | ||
</article> | ||
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Weka is proudly brought to you by the <a href="https://www.cs.waikato.ac.nz/ml/index.html" target="_blank">Machine Learning Group</a> at the <a href="https://waikato.ac.nz" target="_blank">University of Waikato. | ||
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