Skills in Knowledge Space Theory


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Documentation for package ‘skills’ version 1.0

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skills-package Skills in knowledge space theory
acm Adjusted consistency measure
as.gset.data.frame Converts a dataframe into a gset
as.KS Creating knowledge structures
as.KS.gset Creating knowledge structures
as.KS.matrix Creating knowledge structures
as.KS.relation Creating knowledge structures
as.KS.set Creating knowledge structures
as.relation.KS Computes the surmise relation of knowledge structures
cind Consistency index
convert Conversion between set and matrix representation of knowledge structures
discred Discriminative reduction of a knowledge structure
dualKS Dual knowledge structure
hammingDist Hamming distance between two states
incomparable Checks if a set of sets is incomparable
is.CSpace Checks if knowledge structure is a closure space
is.KS Check if KS is a knowledge structure
is.KS.gset Check if KS is a knowledge structure
is.KS.matrix Check if KS is a knowledge structure
is.KS.set Check if KS is a knowledge structure
is.KSpace Checks if knowledge structure is a knowledge space
is.quordSpace Checks if knowledge structure is a quasi-ordinal space
item_cind Item consistency index
JoinIrrEl Join-irreducible elements
KSatoms Atoms of a knowledge structure
KSbase Base of a knowledge structure
KSdomain Domain of a knowledge structure
KSnotions Notions of a knowledge structure
KStrace Trace of a knowledge structure
lb_eKS Lower bound of an empirical knowledge state in a theoretical structure
lowerDist Hamming distances between lower bounds and empirical states
lowerRep Coefficient of reproducibility for Guttman-scales (lower bounds)
MeetIrrEl Meet-irreducible elements
minSA Minimize skill assignment
permtest Permutation test of random assignment of items to skill sets
permute Computation of all permutations of a vector
plot.KS plotKS
plothasse Hasse diagram for knowledge structures
probfun Computation of the problem function
relabel.relation Relabelling the items in a relation
SkillAss Skill Assignment to items
skill_cind Consistency index for skill reduct
summary.KS Summary Method for Objects of Class KS
ub_eKS Upper bound of an empirical knowledge state in a theoretical structure
upperDist Hamming distances between upper bounds and empirical states
upperRep Coefficient of reproducibility for Guttman-scales (upper bounds)
w_cind Weigthed index for consistency between empirical and theoretical knowledge structures