k-modes算法mysql_K-Modes算法[聚类算法]

1 <?php2 /*

3 *Kmodes算法(聚类算法的实现)4 */

5

6

7 /*

8 *获取簇的数目9 */

10 //--------------------------------------------------------------------

11 function Category($train)12 {13 $category = array(NULL);//存放不同的类别

14 array_splice($category,0,1);15

16 for($i=1;$i

19 for($j=0;$j

35

36 /*

37 *获得初始矩阵M38 */

39 //--------------------------------------------------------------------

40 function first_M($train)41 {42 $category = Category($train);43 $M = array(NULL);44 array_splice($M,0,1);45 $num = 1;46 for($j=0;$j

54 array_splice($temp,0,1);55 array_splice($temp,count($temp)-1,1);56 array_push($M,$temp);57 $num++;58 break;59 }else{60 $num++;61 }62 }63 }64 /*echo "

";65 print_r($M);66 */

67 return $M;68 }69 //---------------------------------------------