wine.dt

来自「it is tree Dtree algorithm. so see it. i」· DT 代码 · 共 29 行

/*----------------------------------------------------------------------
  domains
----------------------------------------------------------------------*/
dom(att07) = IR [0.34, 5.08];
dom(att10) = IR [1.28, 13];
dom(att13) = ZZ [278, 1680];
dom(class) = { A, B, C };

/*----------------------------------------------------------------------
  decision tree
----------------------------------------------------------------------*/
dtree(class) =
{ (att07|1.4)
  <:{ (att10|3.725)
      <:{ B: 10 },
      >:{ C: 47 }},
  >:{ (att13|724.5)
      <:{ A: 1, B: 57, C: 1 },
      >:{ (att10|3.46)
          <:{ B: 4 },
          >:{ A: 58 }}}};

/*----------------------------------------------------------------------
  number of attributes: 4
  tree height         : 4
  number of nodes     : 9
  number of tuples    : 178
----------------------------------------------------------------------*/