Naïve Bayes(朴素贝叶斯)分类算法的实现

(1) 简介：

(2)   算法描述：

 

(3)  

1 
     "); 20         $con = explode(" ",$result[$j]); 21         array_push($array,$con); 22     } 23     array_splice($array,0,1); 24     return $array; 25 } 26 //-------------------------------------------------------------------- 27  28  29 /* 30 *NaiveBayes朴素贝叶斯算法 31 *$test:测试文本；$train：训练文本；$flagsyes：yes；$flagsno：no 32 */ 33 //-------------------------------------------------------------------- 34 function  NaiveBayes($test,$train,$flagsyes,$flagsno) 35 { 36     $count_yes = 0; 37     $num = count($train[0]); 38     for($i=1;$i
     

"); 62 print_r($testnumno."

"); 63 print_r($count_yes."

"); 64 print_r($count_no."

"); 65 print_r($array_no[$i]."

"); 66 */ 67 } 68 69 $py=1; 70 $pn=1; 71 for($i=1;$i

$pn)return $flagsyes; 80 else return $flagsno; 81 82 /* print_r($py."

"); 83 print_r($pn."

"); 84 */ 85 86 } 87 //-------------------------------------------------------------------- 88 89 $train = getFileContent("train.txt"); 90 $test = getFileContent("test.txt"); 91 92 for($i=1;$i

";120 print_r($test);121 echo "";122 //--------------------------------------------------------------------123 ?>