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<?xml version="1.0"?><HTML xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE><a href="../../libsvm">LIBSVM</a> Data: Classification (Binary Class)</TITLE>
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<H1><A href="http://www.csie.ntu.edu.tw/~cjlin/libsvm">LIBSVM</A> Data: 
Classification (Binary Class)</H1>
<P><FONT size=+1>This page contains many classification, regression, and 
multi-label data sets used in our papers. Many are from UCI, Statlog, StatLib 
and other collections. We really thank their efforts. For most sets, we directly 
transform the file into LIBSVM format and linearly scale each attribute to 
[-1,1]. The testing data (if provided) is adjusted accordingly. Some training 
data are further separated to "training" (tr) and "validation" (val) sets. 
Details can be found in the description of each data set. </FONT></P>
<HR>
<A name=a1a>
<H2>a1a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 1,605 / 30,956 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a1a">a1a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a1a.t">a1a.t</A> 
    (testing)</LI></UL></LI></UL><A name=a2a>
<H2>a2a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 2,265 / 30,296 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a2a">a2a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a2a.t">a2a.t</A> 
    (testing)</LI></UL></LI></UL><A name=a3a>
<H2>a3a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 3,185 / 29,376 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a3a">a3a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a3a.t">a3a.t</A> 
    (testing)</LI></UL></LI></UL><A name=a4a>
<H2>a4a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 4,781 / 27,780 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a4a">a4a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a4a.t">a4a.t</A> 
    (testing)</LI></UL></LI></UL><A name=a5a>
<H2>a5a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 6,414 / 26,147 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a5a">a5a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a5a.t">a5a.t</A> 
    (testing)</LI></UL></LI></UL><A name=a6a>
<H2>a6a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 11,220 / 21,341 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a6a">a6a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a6a.t">a6a.t</A> 
    (testing)</LI></UL></LI></UL><A name=a7a>
<H2>a7a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 16,100 / 16,461 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a7a">a7a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a7a.t">a7a.t</A> 
    (testing)</LI></UL></LI></UL><A name=a8a>
<H2>a8a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 22,696 / 9,865 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a8a">a8a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a8a.t">a8a.t</A> 
    (testing)</LI></UL></LI></UL><A name=a9a>
<H2>a9a</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Adult
  <LI>Preprocessing: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#JP98a">JP98a</A>] 

  <LI># of classes: 2
  <LI># of data: 32,561 / 16,281 (testing) 
  <LI># of features: 123 / 123 (testing) 
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a9a">a9a</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/a9a.t">a9a.t</A> 
    (testing)</LI></UL></LI></UL><A name=australian>
<H2>australian</H2></A>
<UL>
  <LI>Source: <A 
  href="http://www.liacc.up.pt/ML/statlog/datasets.html">Statlog</A> / 
Australian
  <LI># of classes: 2
  <LI># of data: 690
  <LI># of features: 14
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/australian">australian</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/australian_scale">australian_scale</A> 
    (scaled to [-1,1])</LI></UL></LI></UL><A name=breast-cancer>
<H2>breast-cancer</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Wisconsin Breast Cancer
  <LI>Preprocessing: Note that the original data has the column 1 containing 
  sample ID. Also 16 instances with missing values are removed.
  <LI># of classes: 2
  <LI># of data: 683
  <LI># of features: 10
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/breast-cancer">breast-cancer</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/breast-cancer_scale">breast-cancer_scale</A> 
    (scaled to [-1,1])</LI></UL></LI></UL><A name=covtype.binary>
<H2>covtype.binary</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Covertype
  <LI>Preprocessing: Transform from multiclass into binary class. [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#RC02a">RC02a</A>] 

  <LI># of classes: 2
  <LI># of data: 581,012
  <LI># of features: 54
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/covtype.libsvm.binary">covtype.libsvm.binary</A></LI></UL></LI></UL><A 
name=diabetes>
<H2>diabetes</H2></A>
<UL>
  <LI>Source: <A href="http://www.ics.uci.edu/~mlearn/MLRepository.html">UCI</A> 
  / Pima Indians Diabetes
  <LI># of classes: 2
  <LI># of data: 768
  <LI># of features: 8
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/diabetes_scale">diabetes_scale</A> 
    (scaled to [-1,1])</LI></UL></LI></UL><A name=fourclass>
<H2>fourclass</H2></A>
<UL>
  <LI>Source: [<A 
  href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ref.html#TKH96a">TKH96a</A>] 

  <LI>Preprocessing: transform to two-class
  <LI># of classes: 2
  <LI># of data: 862
  <LI># of features: 2
  <LI>Files: 
  <UL>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/fourclass">fourclass</A>
    <LI><A 
    href="http://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/binary/fourclass_scale">fourclass_scale</A> 
    (scaled to [-1,1])</LI></UL></LI></UL><A name=german.numer>
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