This section describes main characteristics of the twonorm data set and its attributes:
General information
Twonorm data set 
Type  Classification  Origin  Laboratory 
Features  20  (Real / Integer / Nominal)  (20 / 0 / 0) 
Instances  7400 
Classes  2 
Missing values?  No 
Attribute description
Attribute  Domain  Attribute  Domain 
A1  [4.2497, 3.5782]  A11  [3.9204, 4.0953] 
A2  [3.9606, 4.3451]  A12  [3.8262, 4.3025] 
A3  [4.4798, 4.4039]  A13  [3.9451, 3.7817] 
A4  [3.8891, 4.2589]  A14  [3.8516, 4.1238] 
A5  [3.9099, 5.6395]  A15  [3.6978, 3.5485] 
A6  [4.0095, 3.9901]  A16  [3.6976, 4.2439] 
A7  [3.7334, 4.4522]  A17  [3.9428, 3.7233] 
A8  [4.5744, 3.8648]  A18  [4.0653, 4.0557] 
A9  [3.8136, 4.254]  A19  [4.1218, 4.3238] 
A10  [4.1999, 4.0829]  A20  [3.7831, 4.279] 
Class  {0, 1} 
Additional information
This is a 20 dimensional, 2 class classification problem. Each class is drawn from a multivariate normal distribution. Class 1 has mean (a,a,..a) while Class 2 has mean (a,a,..a).. a = 2/sqrt(20).
In this section you can download some files related to the twonorm data set:
 The complete data set already formatted in KEEL format can be downloaded from
here.
 A copy of the data set already partitioned by means of a 10folds cross validation procedure can be downloaded from here.
 A copy of the data set already partitioned by means of a 5folds cross validation procedure can be downloaded from here.
 The header file associated to this data set can be downloaded from here.
 This is not a native data set from the KEEL project. It has been obtained from the DELVE repository. The original page where the data set can be found is: http://www.cs.utoronto.ca/~delve/data/twonorm/desc.html.
