vote.pdt

来自「it is tree Dtree algorithm. so see it. i」· PDT 代码 · 共 33 行

/*----------------------------------------------------------------------
  domains
----------------------------------------------------------------------*/
dom(adoption_of_the_budget_resolution) = { n, y };
dom(physician_fee_freeze) = { n, y };
dom(anti_satellite_test_ban) = { n, y };
dom(mx_missile) = { n, y };
dom(synfuels_corporation_cutback) = { n, y };
dom(party) = { democrat, republican };

/*----------------------------------------------------------------------
  decision tree
----------------------------------------------------------------------*/
dtree(party) =
{ (physician_fee_freeze)
  n:{ democrat: 249.66, republican: 3.74764 },
  y:{ (synfuels_corporation_cutback)
      n:{ democrat: 4.00489, republican: 141.704 },
      y:{ (mx_missile)
          n:{ (adoption_of_the_budget_resolution)
              n:{ democrat: 3.31608, republican: 19.2895 },
              y:{ (anti_satellite_test_ban)
                  n:{ democrat: 5.01876, republican: 0.0231814 },
                  y:{ republican: 2.20775 }}},
          y:{ democrat: 4.99988, republican: 1.02771 }}}};

/*----------------------------------------------------------------------
  number of attributes: 6
  tree height         : 6
  number of nodes     : 11
  number of tuples    : 435
----------------------------------------------------------------------*/