OscatsAlgClosestDiff

OscatsAlgClosestDiff

Synopsis

struct              OscatsAlgClosestDiff;

Object Hierarchy

  GObject
   +----GInitiallyUnowned
         +----OscatsAlgorithm
               +----OscatsAlgClosestDiff

Properties

  "modelKey"                 gchar*                : Read / Write
  "num"                      guint                 : Read / Write / Construct Only
  "thetaKey"                 gchar*                : Read / Write

Description

Details

struct OscatsAlgClosestDiff

struct OscatsAlgClosestDiff;

Item selection algorithm ("select"). Picks the item whose difficulty parameter is closest to the current estimate of theta. Note: This algorithm won't work correctly if there are multiple items with exactly the same location metric.

Property Details

The "modelKey" property

  "modelKey"                 gchar*                : Read / Write

The key indicating which model to use for selection. A NULL value or empty string indicates the item's default model.

Default value: NULL


The "num" property

  "num"                      guint                 : Read / Write / Construct Only

Number of items from which to choose. If one, then the exact closest item is selected. If greater than one, then a random item is chosen from among the "num" closest items.

Allowed values: >= 1

Default value: 1


The "thetaKey" property

  "thetaKey"                 gchar*                : Read / Write

The key indicating which latent variable to use for selection. A NULL value or empty string indicates the examinee's default estimation theta.

Default value: NULL