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+<div class="sc-cmRAlD dkqmWS"><div class="sc-UEtKG dGqiYy sc-flttKd cguEtd"><div class="sc-fqwslf gsqkEc"><div class="sc-cBQMlg kAHhUk"><h2 class="sc-dcKlJK sc-cVttbi gqEuPW ksnHgj">About Dataset</h2></div></div></div><div class="sc-jgvlka jFuPjz"><div class="sc-gzqKSP ktvwwo"><div style="min-height: 80px;"><div class="sc-etVRix jqYJaa sc-bMmLMY ZURWJ"><h3>Sources:</h3>
+<p>(a) Original owners od Database:<br>
+       -- 1. H. Altay Guvenir, PhD., <br>
+             Bilkent University,<br>
+             Department of Computer Engineering and Information Science,<br>
+             06533 Ankara, Turkey<br>
+             Phone: +90 (312) 266 4133<br>
+             Email: <a rel="noreferrer nofollow" href="mailto:guvenir@cs.bilkent.edu.tr">guvenir@cs.bilkent.edu.tr</a></p>
+<pre class="uc-code-block"><code>   -- <span class="hljs-number">2</span>. Burak Acar, M<span class="hljs-selector-class">.S</span>.,
+         Bilkent University, 
+         EE Eng. Dept. 
+         <span class="hljs-number">06533</span> Ankara, Turkey
+         Email: buraka@ee<span class="hljs-selector-class">.bilkent</span><span class="hljs-selector-class">.edu</span><span class="hljs-selector-class">.tr</span>
+
+   -- <span class="hljs-number">2</span>. Haldun Muderrisoglu, M<span class="hljs-selector-class">.D</span>., Ph<span class="hljs-selector-class">.D</span>., 
+         Baskent University, 
+         School of Medicine
+         Ankara, Turkey
+</code><div class="uc-code-block-copy-button-wrapper"><button class="uc-code-block-copy-button google-symbols" aria-label="Copy code">content_copy</button></div></pre>
+<p>(b) Donor: H. Altay Guvenir<br>
+              Bilkent University,<br>
+              Department of Computer Engineering and Information Science,<br>
+              06533 Ankara, Turkey<br>
+              Phone: +90 (312) 266 4133<br>
+              Email: <a rel="noreferrer nofollow" href="mailto:guvenir@cs.bilkent.edu.tr">guvenir@cs.bilkent.edu.tr</a></p>
+<p>(c) Date: January, 1998</p>
+<h3>Past Usage:</h3>
+<ol>
+<li><p>H. Altay Guvenir, Burak Acar, Gulsen Demiroz, Ayhan Cekin<br>
+  "A Supervised Machine Learning Algorithm for Arrhythmia Analysis"<br>
+  Proceedings of the Computers in Cardiology Conference, <br>
+  Lund, Sweden, 1997.</p>
+<p>The aim is to determine the type of arrhythmia from <br>
+  the ECG recordings.</p></li>
+</ol>
+<h3>Relevant Information:</h3>
+<p>This database contains 279 attributes, 206 of which are linear<br>
+     valued and the rest are nominal. </p>
+<pre class="uc-code-block"><code> <span class="hljs-type">Concerning</span> the study of <span class="hljs-type">H</span>. <span class="hljs-type">Altay</span> <span class="hljs-type">Guvenir</span>: <span class="hljs-comment">"The aim is to distinguish
+ between the presence and absence of cardiac arrhythmia and to
+ classify it in one of the 16 groups. Class 01 refers to 'normal'
+ ECG classes 02 to 15 refers to different classes of arrhythmia
+ and class 16 refers to the rest of unclassified ones. For the
+ time being, there exists a computer program that makes such a
+ classification. However there are differences between the
+ cardiolog's and the programs classification. Taking the
+ cardiolog's as a gold standard we aim to minimise this difference
+ by means of machine learning tools."</span>
+
+ <span class="hljs-type">The</span> names and id numbers of the patients were recently 
+ removed from the database.
+</code><div class="uc-code-block-copy-button-wrapper"><button class="uc-code-block-copy-button google-symbols" aria-label="Copy code">content_copy</button></div></pre>
+<h3>Number of Instances: 452</h3>
+<h3>Number of Attributes: 279</h3>
+<h3>Class Distribution:</h3>
+<pre class="uc-code-block"><code>   <span class="hljs-attribute">Database</span>:  Arrhythmia
+
+   <span class="hljs-attribute">Class</span> code :   Class   :                       Number of instances:
+   <span class="hljs-attribute">01</span>             Normal                          <span class="hljs-number">245</span>
+   <span class="hljs-attribute">02</span>             Ischemic changes (Coronary Artery Disease)   <span class="hljs-number">44</span>
+   <span class="hljs-attribute">03</span>             Old Anterior Myocardial Infarction           <span class="hljs-number">15</span>
+   <span class="hljs-attribute">04</span>             Old Inferior Myocardial Infarction           <span class="hljs-number">15</span>
+   <span class="hljs-attribute">05</span>             Sinus tachycardy                       <span class="hljs-number">13</span>
+   <span class="hljs-attribute">06</span>             Sinus bradycardy                       <span class="hljs-number">25</span>
+   <span class="hljs-attribute">07</span>             Ventricular Premature Contraction (PVC)       <span class="hljs-number">3</span>
+   <span class="hljs-attribute">08</span>             Supraventricular Premature Contraction        <span class="hljs-number">2</span>
+   <span class="hljs-attribute">09</span>             Left bundle branch block                     <span class="hljs-number">9</span>   
+   <span class="hljs-attribute">10</span>             Right bundle branch block                   <span class="hljs-number">50</span>
+   <span class="hljs-attribute">11</span>             <span class="hljs-number">1</span>. degree AtrioVentricular block                <span class="hljs-number">0</span>   
+   <span class="hljs-attribute">12</span>             <span class="hljs-number">2</span>. degree AV block                    <span class="hljs-number">0</span>
+   <span class="hljs-attribute">13</span>             <span class="hljs-number">3</span>. degree AV block                    <span class="hljs-number">0</span>
+   <span class="hljs-attribute">14</span>             Left ventricule hypertrophy                 <span class="hljs-number">4</span>
+   <span class="hljs-attribute">15</span>             Atrial Fibrillation or Flutter                <span class="hljs-number">5</span>
+   <span class="hljs-attribute">16</span>             Others                           <span class="hljs-number">22</span>
+</code><div class="uc-code-block-copy-button-wrapper"><button class="uc-code-block-copy-button google-symbols" aria-label="Copy code">content_copy</button></div></pre></div></div></div>
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