iris.arff 7.3 KB

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  1. % 1. Title: Iris Plants Database
  2. %
  3. % 2. Sources:
  4. % (a) Creator: R.A. Fisher
  5. % (b) Donor: Michael Marshall (MARSHALL%PLU@io.arc.nasa.gov)
  6. % (c) Date: July, 1988
  7. %
  8. % 3. Past Usage:
  9. % - Publications: too many to mention!!! Here are a few.
  10. % 1. Fisher,R.A. "The use of multiple measurements in taxonomic problems"
  11. % Annual Eugenics, 7, Part II, 179-188 (1936); also in "Contributions
  12. % to Mathematical Statistics" (John Wiley, NY, 1950).
  13. % 2. Duda,R.O., & Hart,P.E. (1973) Pattern Classification and Scene Analysis.
  14. % (Q327.D83) John Wiley & Sons. ISBN 0-471-22361-1. See page 218.
  15. % 3. Dasarathy, B.V. (1980) "Nosing Around the Neighborhood: A New System
  16. % Structure and Classification Rule for Recognition in Partially Exposed
  17. % Environments". IEEE Transactions on Pattern Analysis and Machine
  18. % Intelligence, Vol. PAMI-2, No. 1, 67-71.
  19. % -- Results:
  20. % -- very low misclassification rates (0% for the setosa class)
  21. % 4. Gates, G.W. (1972) "The Reduced Nearest Neighbor Rule". IEEE
  22. % Transactions on Information Theory, May 1972, 431-433.
  23. % -- Results:
  24. % -- very low misclassification rates again
  25. % 5. See also: 1988 MLC Proceedings, 54-64. Cheeseman et al's AUTOCLASS II
  26. % conceptual clustering system finds 3 classes in the data.
  27. %
  28. % 4. Relevant Information:
  29. % --- This is perhaps the best known database to be found in the pattern
  30. % recognition literature. Fisher's paper is a classic in the field
  31. % and is referenced frequently to this day. (See Duda & Hart, for
  32. % example.) The data set contains 3 classes of 50 instances each,
  33. % where each class refers to a type of iris plant. One class is
  34. % linearly separable from the other 2; the latter are NOT linearly
  35. % separable from each other.
  36. % --- Predicted attribute: class of iris plant.
  37. % --- This is an exceedingly simple domain.
  38. %
  39. % 5. Number of Instances: 150 (50 in each of three classes)
  40. %
  41. % 6. Number of Attributes: 4 numeric, predictive attributes and the class
  42. %
  43. % 7. Attribute Information:
  44. % 1. sepal length in cm
  45. % 2. sepal width in cm
  46. % 3. petal length in cm
  47. % 4. petal width in cm
  48. % 5. class:
  49. % -- Iris Setosa
  50. % -- Iris Versicolour
  51. % -- Iris Virginica
  52. %
  53. % 8. Missing Attribute Values: None
  54. %
  55. % Summary Statistics:
  56. % Min Max Mean SD Class Correlation
  57. % sepal length: 4.3 7.9 5.84 0.83 0.7826
  58. % sepal width: 2.0 4.4 3.05 0.43 -0.4194
  59. % petal length: 1.0 6.9 3.76 1.76 0.9490 (high!)
  60. % petal width: 0.1 2.5 1.20 0.76 0.9565 (high!)
  61. %
  62. % 9. Class Distribution: 33.3% for each of 3 classes.
  63. @RELATION iris
  64. @ATTRIBUTE sepallength REAL
  65. @ATTRIBUTE sepalwidth REAL
  66. @ATTRIBUTE petallength REAL
  67. @ATTRIBUTE petalwidth REAL
  68. @ATTRIBUTE class {Iris-setosa,Iris-versicolor,Iris-virginica}
  69. @DATA
  70. 5.1,3.5,1.4,0.2,Iris-setosa
  71. 4.9,3.0,1.4,0.2,Iris-setosa
  72. 4.7,3.2,1.3,0.2,Iris-setosa
  73. 4.6,3.1,1.5,0.2,Iris-setosa
  74. 5.0,3.6,1.4,0.2,Iris-setosa
  75. 5.4,3.9,1.7,0.4,Iris-setosa
  76. 4.6,3.4,1.4,0.3,Iris-setosa
  77. 5.0,3.4,1.5,0.2,Iris-setosa
  78. 4.4,2.9,1.4,0.2,Iris-setosa
  79. 4.9,3.1,1.5,0.1,Iris-setosa
  80. 5.4,3.7,1.5,0.2,Iris-setosa
  81. 4.8,3.4,1.6,0.2,Iris-setosa
  82. 4.8,3.0,1.4,0.1,Iris-setosa
  83. 4.3,3.0,1.1,0.1,Iris-setosa
  84. 5.8,4.0,1.2,0.2,Iris-setosa
  85. 5.7,4.4,1.5,0.4,Iris-setosa
  86. 5.4,3.9,1.3,0.4,Iris-setosa
  87. 5.1,3.5,1.4,0.3,Iris-setosa
  88. 5.7,3.8,1.7,0.3,Iris-setosa
  89. 5.1,3.8,1.5,0.3,Iris-setosa
  90. 5.4,3.4,1.7,0.2,Iris-setosa
  91. 5.1,3.7,1.5,0.4,Iris-setosa
  92. 4.6,3.6,1.0,0.2,Iris-setosa
  93. 5.1,3.3,1.7,0.5,Iris-setosa
  94. 4.8,3.4,1.9,0.2,Iris-setosa
  95. 5.0,3.0,1.6,0.2,Iris-setosa
  96. 5.0,3.4,1.6,0.4,Iris-setosa
  97. 5.2,3.5,1.5,0.2,Iris-setosa
  98. 5.2,3.4,1.4,0.2,Iris-setosa
  99. 4.7,3.2,1.6,0.2,Iris-setosa
  100. 4.8,3.1,1.6,0.2,Iris-setosa
  101. 5.4,3.4,1.5,0.4,Iris-setosa
  102. 5.2,4.1,1.5,0.1,Iris-setosa
  103. 5.5,4.2,1.4,0.2,Iris-setosa
  104. 4.9,3.1,1.5,0.1,Iris-setosa
  105. 5.0,3.2,1.2,0.2,Iris-setosa
  106. 5.5,3.5,1.3,0.2,Iris-setosa
  107. 4.9,3.1,1.5,0.1,Iris-setosa
  108. 4.4,3.0,1.3,0.2,Iris-setosa
  109. 5.1,3.4,1.5,0.2,Iris-setosa
  110. 5.0,3.5,1.3,0.3,Iris-setosa
  111. 4.5,2.3,1.3,0.3,Iris-setosa
  112. 4.4,3.2,1.3,0.2,Iris-setosa
  113. 5.0,3.5,1.6,0.6,Iris-setosa
  114. 5.1,3.8,1.9,0.4,Iris-setosa
  115. 4.8,3.0,1.4,0.3,Iris-setosa
  116. 5.1,3.8,1.6,0.2,Iris-setosa
  117. 4.6,3.2,1.4,0.2,Iris-setosa
  118. 5.3,3.7,1.5,0.2,Iris-setosa
  119. 5.0,3.3,1.4,0.2,Iris-setosa
  120. 7.0,3.2,4.7,1.4,Iris-versicolor
  121. 6.4,3.2,4.5,1.5,Iris-versicolor
  122. 6.9,3.1,4.9,1.5,Iris-versicolor
  123. 5.5,2.3,4.0,1.3,Iris-versicolor
  124. 6.5,2.8,4.6,1.5,Iris-versicolor
  125. 5.7,2.8,4.5,1.3,Iris-versicolor
  126. 6.3,3.3,4.7,1.6,Iris-versicolor
  127. 4.9,2.4,3.3,1.0,Iris-versicolor
  128. 6.6,2.9,4.6,1.3,Iris-versicolor
  129. 5.2,2.7,3.9,1.4,Iris-versicolor
  130. 5.0,2.0,3.5,1.0,Iris-versicolor
  131. 5.9,3.0,4.2,1.5,Iris-versicolor
  132. 6.0,2.2,4.0,1.0,Iris-versicolor
  133. 6.1,2.9,4.7,1.4,Iris-versicolor
  134. 5.6,2.9,3.6,1.3,Iris-versicolor
  135. 6.7,3.1,4.4,1.4,Iris-versicolor
  136. 5.6,3.0,4.5,1.5,Iris-versicolor
  137. 5.8,2.7,4.1,1.0,Iris-versicolor
  138. 6.2,2.2,4.5,1.5,Iris-versicolor
  139. 5.6,2.5,3.9,1.1,Iris-versicolor
  140. 5.9,3.2,4.8,1.8,Iris-versicolor
  141. 6.1,2.8,4.0,1.3,Iris-versicolor
  142. 6.3,2.5,4.9,1.5,Iris-versicolor
  143. 6.1,2.8,4.7,1.2,Iris-versicolor
  144. 6.4,2.9,4.3,1.3,Iris-versicolor
  145. 6.6,3.0,4.4,1.4,Iris-versicolor
  146. 6.8,2.8,4.8,1.4,Iris-versicolor
  147. 6.7,3.0,5.0,1.7,Iris-versicolor
  148. 6.0,2.9,4.5,1.5,Iris-versicolor
  149. 5.7,2.6,3.5,1.0,Iris-versicolor
  150. 5.5,2.4,3.8,1.1,Iris-versicolor
  151. 5.5,2.4,3.7,1.0,Iris-versicolor
  152. 5.8,2.7,3.9,1.2,Iris-versicolor
  153. 6.0,2.7,5.1,1.6,Iris-versicolor
  154. 5.4,3.0,4.5,1.5,Iris-versicolor
  155. 6.0,3.4,4.5,1.6,Iris-versicolor
  156. 6.7,3.1,4.7,1.5,Iris-versicolor
  157. 6.3,2.3,4.4,1.3,Iris-versicolor
  158. 5.6,3.0,4.1,1.3,Iris-versicolor
  159. 5.5,2.5,4.0,1.3,Iris-versicolor
  160. 5.5,2.6,4.4,1.2,Iris-versicolor
  161. 6.1,3.0,4.6,1.4,Iris-versicolor
  162. 5.8,2.6,4.0,1.2,Iris-versicolor
  163. 5.0,2.3,3.3,1.0,Iris-versicolor
  164. 5.6,2.7,4.2,1.3,Iris-versicolor
  165. 5.7,3.0,4.2,1.2,Iris-versicolor
  166. 5.7,2.9,4.2,1.3,Iris-versicolor
  167. 6.2,2.9,4.3,1.3,Iris-versicolor
  168. 5.1,2.5,3.0,1.1,Iris-versicolor
  169. 5.7,2.8,4.1,1.3,Iris-versicolor
  170. 6.3,3.3,6.0,2.5,Iris-virginica
  171. 5.8,2.7,5.1,1.9,Iris-virginica
  172. 7.1,3.0,5.9,2.1,Iris-virginica
  173. 6.3,2.9,5.6,1.8,Iris-virginica
  174. 6.5,3.0,5.8,2.2,Iris-virginica
  175. 7.6,3.0,6.6,2.1,Iris-virginica
  176. 4.9,2.5,4.5,1.7,Iris-virginica
  177. 7.3,2.9,6.3,1.8,Iris-virginica
  178. 6.7,2.5,5.8,1.8,Iris-virginica
  179. 7.2,3.6,6.1,2.5,Iris-virginica
  180. 6.5,3.2,5.1,2.0,Iris-virginica
  181. 6.4,2.7,5.3,1.9,Iris-virginica
  182. 6.8,3.0,5.5,2.1,Iris-virginica
  183. 5.7,2.5,5.0,2.0,Iris-virginica
  184. 5.8,2.8,5.1,2.4,Iris-virginica
  185. 6.4,3.2,5.3,2.3,Iris-virginica
  186. 6.5,3.0,5.5,1.8,Iris-virginica
  187. 7.7,3.8,6.7,2.2,Iris-virginica
  188. 7.7,2.6,6.9,2.3,Iris-virginica
  189. 6.0,2.2,5.0,1.5,Iris-virginica
  190. 6.9,3.2,5.7,2.3,Iris-virginica
  191. 5.6,2.8,4.9,2.0,Iris-virginica
  192. 7.7,2.8,6.7,2.0,Iris-virginica
  193. 6.3,2.7,4.9,1.8,Iris-virginica
  194. 6.7,3.3,5.7,2.1,Iris-virginica
  195. 7.2,3.2,6.0,1.8,Iris-virginica
  196. 6.2,2.8,4.8,1.8,Iris-virginica
  197. 6.1,3.0,4.9,1.8,Iris-virginica
  198. 6.4,2.8,5.6,2.1,Iris-virginica
  199. 7.2,3.0,5.8,1.6,Iris-virginica
  200. 7.4,2.8,6.1,1.9,Iris-virginica
  201. 7.9,3.8,6.4,2.0,Iris-virginica
  202. 6.4,2.8,5.6,2.2,Iris-virginica
  203. 6.3,2.8,5.1,1.5,Iris-virginica
  204. 6.1,2.6,5.6,1.4,Iris-virginica
  205. 7.7,3.0,6.1,2.3,Iris-virginica
  206. 6.3,3.4,5.6,2.4,Iris-virginica
  207. 6.4,3.1,5.5,1.8,Iris-virginica
  208. 6.0,3.0,4.8,1.8,Iris-virginica
  209. 6.9,3.1,5.4,2.1,Iris-virginica
  210. 6.7,3.1,5.6,2.4,Iris-virginica
  211. 6.9,3.1,5.1,2.3,Iris-virginica
  212. 5.8,2.7,5.1,1.9,Iris-virginica
  213. 6.8,3.2,5.9,2.3,Iris-virginica
  214. 6.7,3.3,5.7,2.5,Iris-virginica
  215. 6.7,3.0,5.2,2.3,Iris-virginica
  216. 6.3,2.5,5.0,1.9,Iris-virginica
  217. 6.5,3.0,5.2,2.0,Iris-virginica
  218. 6.2,3.4,5.4,2.3,Iris-virginica
  219. 5.9,3.0,5.1,1.8,Iris-virginica
  220. %
  221. %
  222. %