quiz_statistics_question_table Class Reference

This table shows statistics about a particular question. More...

Inheritance diagram for quiz_statistics_question_table:

Public Member Functions
	__construct ($qid)
	Constructor.
	other_cols ($colname, $response)
	If there is not a col_{column name} method then we call this method.
	question_setup ($reporturl, $questiondata, $s, $responseanalysis)
	Set up columns and column names and other table settings.

Protected Member Functions
	col_fraction ($response)
	The mark fraction that this response earns.
	col_frequency ($response)
	The frequency with which this response was given.
	format_percentage ($fraction)
	Take a float where 1 represents 100% and return a string representing the percentage.

Protected Attributes
stdClass	$questiondata
	full question object for this question.
int	$s
	no of attempts.

Detailed Description

This table shows statistics about a particular question.

Lists the responses that students made to this question, with frequency counts.

The responses may be grouped, either by sub-part of the question, or by the answer they match.

Copyright

2014 Open University

Author

James Pratt me@ja.nosp@m.miep.nosp@m..org

License

http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Constructor & Destructor Documentation

__construct()

quiz_statistics_question_table::__construct

(

$qid

)

Constructor.

Parameters

int

$qid

the id of the particular question whose statistics are being displayed.

Member Function Documentation

col_fraction()

quiz_statistics_question_table::col_fraction ( $response )

protected

The mark fraction that this response earns.

Parameters

stdClass

$response

containst the data to display.

Return values

string

contents of this table cell.

col_frequency()

quiz_statistics_question_table::col_frequency ( $response )

protected

The frequency with which this response was given.

Parameters

stdClass

$response

contains the data to display.

Return values

string

contents of this table cell.

format_percentage()

quiz_statistics_question_table::format_percentage ( $fraction )

protected

Take a float where 1 represents 100% and return a string representing the percentage.

Parameters

float

$fraction

The fraction.

Return values

string

The fraction as a percentage.

other_cols()

quiz_statistics_question_table::other_cols	(		$colname,
			$response )

If there is not a col_{column name} method then we call this method.

If it returns null that means just output the property as in the table raw data. If this returns none null then this is the output for this cell of the table.

Parameters

string	$colname	The name of this column.
stdClass	$response	The raw data for this row.

Return values

string|null

The value for this cell of the table or null means use raw data.

question_setup()

quiz_statistics_question_table::question_setup	(		$reporturl,
			$questiondata,
			$s,
			$responseanalysis )

Set up columns and column names and other table settings.

Parameters

moodle_url	$reporturl
stdClass	$questiondata
integer	$s	number of attempts on this question.
core_question\statistics\responses\analysis_for_question	$responseanalysis

---

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

• mod/quiz/report/statistics/statistics_question_table.php