This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V. More...

Collaboration diagram for ilTestStatistics:

Public Member Functions
	__construct ($eval_data)
	ilTestStatistics constructor More...

	getStatistics ()
	Returns the statistics object. More...

	calculateStatistics ($eval_data)
	Instanciates the statistics object. More...

Data Fields
	$test_id

	$statistics

Detailed Description

This file is part of ILIAS, a powerful learning management system published by ILIAS open source e-Learning e.V.

ILIAS is licensed with the GPL-3.0, see https://www.gnu.org/licenses/gpl-3.0.en.html You should have received a copy of said license along with the source code, too.

If this is not the case or you just want to try ILIAS, you'll find us at: https://www.ilias.de https://github.com/ILIAS-eLearning This class calculates statistical data for a test which has to be calculated using all participant datasets (like the median).

Author: Helmut Schottmüller helmu.nosp@m.t.sc.nosp@m.hottm.nosp@m.uell.nosp@m.er@ma.nosp@m.c.co.nosp@m.m

Version: $Id$

Definition at line 30 of file class.ilTestStatistics.php.

Constructor & Destructor Documentation

◆ __construct()

ilTestStatistics::__construct ( $eval_data )

ilTestStatistics constructor

The constructor takes the id of an existing test object

Definition at line 40 of file class.ilTestStatistics.php.

    {
        $this->statistics = null;
        $this->calculateStatistics($eval_data);
    }

References calculateStatistics().

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Member Function Documentation

◆ calculateStatistics()

ilTestStatistics::calculateStatistics ( $eval_data )

Instanciates the statistics object.

@access private

See also: $statistics

Definition at line 64 of file class.ilTestStatistics.php.

    {
        $median_array = array();
 
        foreach ($eval_data->getParticipantIds() as $active_id) {
            $participant = $eval_data->getParticipant($active_id);
            array_push($median_array, $participant->getReached());
        }
 
        $this->statistics = new ilStatistics();
        $this->statistics->setData($median_array);
    }

Referenced by __construct().

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◆ getStatistics()

ilTestStatistics::getStatistics ( )

Returns the statistics object.

Returns: object ilStatistics object @access public

See also: $statistics

Definition at line 53 of file class.ilTestStatistics.php.

                                   : ?object
    {
        return $this->statistics;
    }

References $statistics.

Field Documentation

◆ $statistics

ilTestStatistics::$statistics

Definition at line 33 of file class.ilTestStatistics.php.

Referenced by getStatistics().

◆ $test_id

ilTestStatistics::$test_id

Definition at line 32 of file class.ilTestStatistics.php.

The documentation for this class was generated from the following file:

Modules/Test/classes/class.ilTestStatistics.php

Public Member Functions

Data Fields