prototype r1

<?php
$tes=array("-14,-12","-8,-6","-6,-4","-4,-3","-3,-2","-2,-1.5","-1.5,-1","-1,-0.5","-0.5,0","0,0.67","0.67,1.33","1.33,2","2,2.67","2.67,3.33","3.33,4","4,6","6,8");
$actual_value=array(173.81,179.65,182.83,186.28,182.65,184.95,184.5,183.42,187.17,191.08,191.29,177.79,180.09,182.65,181.95,179.64,179.7,177.54,178.9,183.89,179.89,179.48,179,178.68,182.65,184.17,186.79,184.13,183.92,183.65,182.02,183.28,183.45,184.88,192.5,190.54,192.01,196.48,203.59,206.14,201.28,205.02,198.02,198.24,196.95,193.55,192.02,192.75,189.63,188.06,189.9);

for($i=0;$i<count($actual_value)-1;$i++){
  $var[$i]=$actual_value[$i+1]-$actual_value[$i];
}

$mean=array();$c=0;
foreach($tes as $t){
  $mean[] = explode(",", $t);
  $mean[$c][2]=($mean[$c][1]+$mean[$c][0])/2;
  echo "mean A".($c+1)."=".$mean[$c][2]."<br>";
  $c++;
}
//echo "<pre>";print_r($mean);echo "</pre>";
$urut=array();
echo "<br>======mappin====<br>";
foreach($var as $v){
    $misal = round($v, 2);
    $no2 = 1;
    foreach($tes as $t){
        $pisah = explode(",", $t);
        if($misal >=$pisah[0] && $misal<=$pisah[1]){
            echo $misal.' => A'.$no2.'<br/> ';
            $urut[]=$no2;
            break;
        }
        $no2++;
    }
}
unset($test);
unset($var);
$grup=array();
echo "<br>======routin====<br>";
for($i=0;$i<(count($urut)-1);$i++){
    echo 'A'.$urut[$i].' => A'.$urut[$i+1].'<br/>';
    $grup[]=array($urut[$i],$urut[$i+1]);
}
//unset($urut);
echo "<br>======groupin====<br>";
$first=array();
$second=array();
foreach ($grup as $key => $row) {
    $first[$key] = $row[0];
    $second[$key] = $row[1];
}
array_multisort($first, SORT_ASC, $second, SORT_ASC, $grup);
//echo "<pre>";print_r($grup);echo "</pre>";
$hasil=array();
$c=0;
for($i=0;$i<count($grup);$i++){
    if($i==0){
        $hasil[]=array($grup[0][0],array($grup[0][1]));
        $c++;
    }else{
        if($hasil[$c-1][0]==$grup[$i][0]){
          $n=count($hasil[$c-1][1]);
          if($hasil[$c-1][1][$n-1]!=$grup[$i][1]){
              $hasil[$c-1][1][]=$grup[$i][1];
            }
        }else{
            $hasil[]=array($grup[$i][0],array($grup[$i][1]));
            $c++;
        }
    }
}
//echo "<pre>";print_r($hasil);echo "</pre>";
for($i=0;$i<count($hasil);$i++){
    echo 'A'.$hasil[$i][0].'=>';
    $n=count($hasil[$i][1]);
    $d=0;
    for($j=0;$j<$n;$j++){
        echo ($j==0?'':',').'A'.$hasil[$i][1][$j];
        $d+=$mean[$hasil[$i][1][$j]-1][2];
    }
    $d=$d/$n;
    $mean[$i][3]=$d;
    echo '<br/>';
}
echo "<br>---new mean interval---<br>";
$c=1;
foreach($mean as $m){
  echo "new mean interval A".($c)."=".$m[3]."<br>";
  $c++;
}
//echo "<pre>";print_r($mean);echo "</pre>";
echo "<br>---forecasting1---<br>";
for($i=0;$i<count($actual_value);$i++){
  echo "[".($i+1)."] ".$actual_value[$i]." ->".(isset($actual_value[$i-1])?$actual_value[$i-1]." + A".($urut[$i-1])."=".($actual_value[$i-1]+$mean[$urut[$i-1]-1][3]):"0")."<br>";
}
echo "<br>---forecasting2---<br>";
for($i=0;$i<count($actual_value);$i++){
  echo "[".($i+1)."] ".$actual_value[$i]." ->".(isset($actual_value[$i-1])?(isset($urut[$i-2])?$actual_value[$i-1]." + A".($urut[$i-2])."=".($actual_value[$i-1]+$mean[$urut[$i-2]-1][3]):"0"):"0")."<br>";
}
?>