if($data->id_pel == $_POST['id_pel'] && $data->alamat==$_POST['alamat'] && $data->keluhan==$_POST['keluhan']){
    $baru[$i]['nilai']= 0.8;
}else
if($data->id_pel == $_POST['id_pel'] && $data->keluhan==$_POST['keluhan']){
    $baru[$i]['nilai']= 0.7;
}else
if($data->alamat==$_POST['alamat'] && $data->keluhan==$_POST['keluhan']){
    $baru[$i]['nilai']= 0.6;
}else
if($data->keluhan==$_POST['keluhan']){
    $baru[$i]['nilai']= 0.5;
}else
if($data->id_pel == $_POST['id_pel']){
    $baru[$i]['nilai']= 0.4;
}else
if($data->alamat==$_POST['alamat']){
    $baru[$i]['nilai']= 0.3;
}