org.osid.grading.calculation

Interface Summary
Interface	Description
GradebookColumnCalculation	A `GradebookColumnCalculation` represents a rule to derive a column baed on one or more other columns.
GradebookColumnCalculationAdminSession	This session creates, updates, and deletes `GradebookColumnCalculations.`
GradebookColumnCalculationForm	This is the form for creating and updating `GradebookColumnCalculations.`
GradebookColumnCalculationList	Like all `OsidLists,` `GradebookColumnCalculationList` provides a means for accessing `GradebookColumnCalculation` elements sequentially either one at a time or many at a time.
GradebookColumnCalculationLookupSession	This session provides methods for retrieving `GradebookColumnCalculationss` .
GradingCalculationManager	The grading manager provides access to grading sessions and provides interoperability tests for various aspects of this service.
GradingCalculationProfile	The `GradingCalculationProfile` describes the interoperability among grading calculation services.
GradingCalculationProxyManager	The grading calculation manager provides access to grading calculation sessions and provides interoperability tests for various aspects of this service.

Enum Summary
Enum Description

CalculationOperation
This enumeration contains the various gradebook column calculations.

Enum Summary
Enum	Description
CalculationOperation	This enumeration contains the various gradebook column calculations.

Package org.osid.grading.calculation Description

The Open Service Interface Definitions for the org.osid.grading.calculation service.

The Grading Calculation OSID defines a service to apply calculations to GradebookColumns .

GradebookColumnCalculations

A GradebookColumnCalculation is an OsidRule that is created on a GradebookColumn to override a all manual GradeEntry with a rule. The rule has one or more input GradebookColumns on which to calculate a result for the entries in the target GradebookCol;umn.

GradebookColumnCalculations define several baked-in rules such as averages and standard deviation. More exotic calculations can be done through the attached GradebookColumnCalculationRecord or through an associated reusable Rule .

For example, a Gradebook may have one GradebookColumn for each quiz of four scores. A fifth GradebookColumn can be created to attach a GradebookColumnCalculation to average to four input quiz scores. The sixth GradebookColumn may contain the input final exam scores and the seventh GradebookColumn defined for a custom GradebookColumnCalculation that weights the seventh column by 60% and the fifth column by 40% before averaging them. An eighth GradebookColumn may be created for an alternate GradeSystem (A-F) with an empty GradebookColumnCalculation that takes the final score in the seventh column and transforms it to a letter grade for grading submission at the end of the term.

Gradebook Cataloging

GradebookColumnCalculations are indirectly referenceable through the Gradebook to which the associated GradebookColumn reisdes. GradebookColumnCalculations do not have a complete independent service pattern since they are directly attached to a single GradebookColumn. Reusable calculations are achieved through reusable Rules .

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