Computerized Adaptive Testing and Decision Trees


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Documentation for package ‘cat.dt’ version 0.3.1

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ability_density Vector of density values of ability level
allocate_sons Allocate sons in the CAT decision tree
a_posteriori Vector of a posteriori density values of ability level
cat.dt cat.dt: Computerized Adaptive Testing and Decision Trees
CAT_ability_est Ability level estimation for an individual using a CAT decision tree
CAT_ability_est_group Ability level estimation for a group using a CAT decision tree
CAT_DT CAT decision tree
create_E_MEPV MSE of every item for an specified node
create_E_MFI Fisher Information of every item for an specified node
create_last_level CAT decision tree last level generator
create_levels CAT decision tree level generator
create_level_1 Level 1 CAT decision tree generator
create_node Node creator
create_prob_array Multidimensional array of response probabilities
estimate Ability level estimation
Fisher_GRM Fisher Information under GRM
Fisher_NRM Fisher Information under NRM
itemBank Example item bank
itemRes Example item responses
item_selector Linear programming solver
join_node Node joiner
plot_tree CAT decision tree plot
predict.cat.dt Predict S3 method for 'cat.dt'
probab_GRM Item response GRM probabilities
probab_NRM Item response NRM probabilities
summary.cat.dt CAT summary