curve

Class Statistics

java.lang.Object

curve.Statistics

public abstract class Statistics
extends java.lang.Object

The Statistics class performs different math operations on the Scores of a certain Section. Derived from the requirements documentation regarding statistics;

Field Summary

Fields

Modifier and Type	Field and Description
(package private) java.util.Collection<Section>	sections Context Section to apply these operations to.

Constructor Summary

Constructors

Constructor and Description
Statistics()

Method Summary

Methods

Modifier and Type	Method and Description
(package private) abstract java.lang.Double	average(Assignment assignment) Calculates the average Score for the Assignment in the Section.
private java.util.List<java.lang.Double>	getScores(Assignment assignment) Returns an List of RawScores based on Assignment and Sections.
private java.lang.Double	max(java.util.List<java.lang.Double> collection) Determines the maximum RawScore in the collection.
private java.lang.Double	maxHelper(java.util.List<java.lang.Double> collection, java.lang.Double given)
private java.lang.Double	min(java.util.List<java.lang.Double> collection) Determines the minimum RawScore in the collection.
private java.lang.Double	minHelper(java.util.List<java.lang.Double> collection, java.lang.Double given)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

sections

java.util.Collection<Section> sections

Context Section to apply these operations to.

Constructor Detail

Statistics

public Statistics()

Method Detail

max

private java.lang.Double max(java.util.List<java.lang.Double> collection)

Determines the maximum RawScore in the collection. Used in Spest.

Parameters:

collection - Collection to determine the max RawScore

Returns:

RawScore maximum raw score

maxHelper

private java.lang.Double maxHelper(java.util.List<java.lang.Double> collection,
                         java.lang.Double given)

min

private java.lang.Double min(java.util.List<java.lang.Double> collection)

Determines the minimum RawScore in the collection. Used in Spest.

Parameters:

collection - Collection to determine the min RawScore

Returns:

RawScore minimum raw score

minHelper

private java.lang.Double minHelper(java.util.List<java.lang.Double> collection,
                         java.lang.Double given)

getScores

private java.util.List<java.lang.Double> getScores(Assignment assignment)

Returns an List of RawScores based on Assignment and Sections. Used in Spest.

Parameters:

Assignment - assignment of interest

Returns:

List rawscores of all the students for this assignment

average

abstract java.lang.Double average(Assignment assignment)

Calculates the average Score for the Assignment in the Section.

Parameters:

assignment - assignment you wish to calculate the average for

Returns:

Double representing the average

         post:
                return =< max(getScores(assignment) && return >= min(getScores(assignment);