Tools for creating conditional probability tables

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Documentation for package ‘CPTtools’ version 0.1-4

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areaProbs Translates between normal and categorical probabilities
buildParentList Builds a list of parents of nodes in a graph
buildRegressions Creates a series of regessions from a covariance matrix
buildRegressionTables Builds conditional probability tables from regressions
calcDDFrame Calculates DiBello-Dirichlet model probabilty and parameter tables
calcDDTable Calculates DiBello-Dirichlet model probabilty and parameter tables
calcDNFrame Creates the probability table for DiBello-Normal distribution
calcDNllike Calculates the log-likelihood for data from a DiBello-Samejima (Normal) distribution
calcDNTable Creates the probability table for DiBello-Normal distribution
calcDPCFrame Creates the probability table for the discrete partial credit model
calcDPCTable Creates the probability table for the discrete partial credit model
calcDSFrame Creates the probability table for DiBello-Samejima distribution
calcDSllike Calculates the log-likelihood for data from a DiBello-Samejima (Normal) distribution
calcDSTable Creates the probability table for DiBello-Samejima distribution
Compensatory DiBello-Samejima combination function
Conjunctive DiBello-Samejima combination function
dataTable Constructs a table of counts from a set of discrete observations.
Disjunctive DiBello-Samejima combination function
effectiveThetas Assigns effective theta levels for categorical variable
eThetaFrame Constructs a data frame showing the effective thetas for each parent combination.
getTableParents Gets meta data about a conditional probability table.
getTableStates Gets meta data about a conditional probability table.
gradedResponse A link function based on Samejima's graded response
MathGrades Grades on 5 mathmatics tests from Mardia, Kent and Bibby
mcSearch Orders variables using Maximum Cardinality search
normalizeTable Rescales the numeric part of the table
numericPart Converts a mixed data frame to a numeric matrix.
OffsetConjunctive Conjunctive combination function with one difficulty per parent.
OffsetDisjunctive Conjunctive combination function with one difficulty per parent.
partialCredit A link function based on the generalized partial credit model
pvecToCutpoints Translates between normal and categorical probabilities
pvecToMidpoints Translates between normal and categorical probabilities
rescaleTable Rescales the numeric part of the table
scaleMatrix Scales a matrix to have a unit diagonal
scaleTable Scales a table according to the Sum and Scale column.
structMatrix Finds graphical structure from a covariance matrix