/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::create('studentdelayed', function (Blueprint $table) {
$table->increments('id');
$table->integer('studentid');
$table->integer('programid');
$table->integer('collegeid');
$table->integer('semesters');
$table->timestamps();
});
$students = Studentdropout::select('studentid', 'programid', 'collegeid', 'semesters')->where('semesters', '>', 8)->get();
foreach ($students as $student) {
$programid = $student->programid;
$semesters = $student->semesters;
$programYears = Program::select('numyears')->where('programid', $programid)->first()->numyears;
if ($semesters > $programYears * 2) {
$newEntry = new Studentdelayed();
$newEntry->studentid = $student->studentid;
$newEntry->programid = $programid;
$newEntry->collegeid = $student->collegeid;
$newEntry->semesters = $semesters;
$newEntry->save();
}
}
}
/**
* Run the migrations.
*
* @return void
*/
public function up()
{
Schema::table('studentdropouts', function (Blueprint $table) {
//
});
$students = Studentdropout::select('id', 'programid', 'semesters')->where('semesters', '>', 8)->get();
foreach ($students as $student) {
$programYears = Program::select('numyears')->where('programid', $student->programid)->first()->numyears;
if ($student->semesters > $programYears * 2) {
Studentdropout::find($student->id)->delete();
}
}
}
public function getBatchDropoutRate()
{
$batchDropoutRate = [];
$programids = $this->programs()->whereNotIn('programid', array(62, 66, 38, 117))->where('degreelevel', 'U')->lists('programid');
//To get batches of program whithin 2000-2009
$progYears = Studentterm::whereIn('programid', $programids)->groupBy('year')->orderBy('year', 'asc')->lists('year');
$max = 2009;
$batches = [];
foreach ($progYears as $progYear) {
if ($progYear > 1999 && $progYear < $max + 1) {
array_push($batches, $progYear * 100000);
}
}
foreach ($batches as $batch) {
$batchEnd = $batch + 100000;
$allBatchStudents = count(Studentterm::select('studentid')->where('studentid', '>', $batch)->where('studentid', '<', $batchEnd)->whereIn('programid', $programids)->groupBy('studentid')->get());
$allBatchDropouts = Studentdropout::select('studentid')->where('studentid', '>', $batch)->where('studentid', '<', $batchEnd)->whereIn('lastprogramid', $programids)->count();
$batchDropoutRate[$batch / 100000] = round($allBatchDropouts / $allBatchStudents * 100, 2);
}
return $batchDropoutRate;
}
public static function getBatchDropoutsCollege($batch, $collegeid)
{
$batchEnd = $batch + 100000;
$programids = Studentdropout::getCollPrograms($collegeid);
return Studentdropout::select('studentid')->where('studentid', '>=', $batch)->where('studentid', '<', $batchEnd)->whereIn('programid', $programids)->get();
}
public function getBatchDropoutRate()
{
$batchDropoutRate = [];
//To get batches of program whithin 2000-2009
$progYears = Studentterm::where('programid', $this->programid)->groupBy('year')->orderBy('year', 'asc')->lists('year');
if ($this->revisionyear > 2009) {
$max = 2012;
} else {
if ($this->programid == 28) {
$max = 2013 - 4;
} else {
$max = 2013 - $this->numyears;
}
}
$batches = [];
foreach ($progYears as $progYear) {
if ($progYear > 1999 && $progYear < $max + 1) {
array_push($batches, $progYear * 100000);
}
}
foreach ($batches as $batch) {
$batchEnd = $batch + 100000;
$allBatchStudents = count(Studentterm::select('studentid')->where('studentid', '>', $batch)->where('studentid', '<', $batchEnd)->where('programid', $this->programid)->groupBy('studentid')->get());
$allBatchDropouts = Studentdropout::select('studentid')->where('studentid', '>', $batch)->where('studentid', '<', $batchEnd)->where('lastprogramid', $this->programid)->count();
$batchDropoutRate[$batch / 100000] = round($allBatchDropouts / $allBatchStudents * 100, 2);
}
return $batchDropoutRate;
}