Linguistic Fuzzy Logic


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Documentation for package ‘lfl’ version 1.4.2

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aggregateConsequents Implicational aggregation of rules' consequents into a fuzzy set
algebra Algebra for Fuzzy Sets
antecedents Extract antecedent-part (LHS) of the rules in a list
as.data.frame.farules Convert the 'farules' object into a data frame
as.matrix.fsets Convert a 'fsets' object into matrix
cbind.fsets Combine several 'fsets' objects into a single one
compose Composition of Fuzzy Relations
consequents Extract consequent-part (RHS) of the rules in a list
defuzz Convert fuzzy set into a crisp numeric value
evalfrbe Evaluate the performance of the FRBE forecast
farules A class of rules with statistical characteristics.
fcut Transform data into a set of fuzzy attributes using triangular or raised cosine shapes of the fuzzy sets
fcut.data.frame Transform data into a set of fuzzy attributes using triangular or raised cosine shapes of the fuzzy sets
fcut.default Transform data into a set of fuzzy attributes using triangular or raised cosine shapes of the fuzzy sets
fcut.matrix Transform data into a set of fuzzy attributes using triangular or raised cosine shapes of the fuzzy sets
fcut.numeric Transform data into a set of fuzzy attributes using triangular or raised cosine shapes of the fuzzy sets
fire Compute truth-degrees of rules on data
frbe Fuzzy Rule-Based Ensemble (FRBE) of time-series forecasts
fsets A class of a table with several fuzzy sets.
goedel.biresiduum Algebra for Fuzzy Sets
goedel.residuum Algebra for Fuzzy Sets
goedel.tconorm Algebra for Fuzzy Sets
goedel.tnorm Algebra for Fuzzy Sets
goguen.biresiduum Algebra for Fuzzy Sets
goguen.residuum Algebra for Fuzzy Sets
goguen.tconorm Algebra for Fuzzy Sets
goguen.tnorm Algebra for Fuzzy Sets
head.farules Return the first part of an instance of the 'farules' class
head.fsets Return the first part of an instance of the 'fsets' class
invol.neg Algebra for Fuzzy Sets
is.algebra Algebra for Fuzzy Sets
is.farules Test whether 'x' is a valid object of the 'farules' class
is.frbe Test whether 'x' is a valid object of the 'frbe' class
is.fsets Test whether 'x' is a valid object of the 'fsets' class
is.specific Determine whether the first set of predicates is more specific (or equal) than the other.
lcut Transform data into a set of linguistic fuzzy attributes
lcut3 Transform data into a set of linguistic fuzzy attributes
lcut3.data.frame Transform data into a set of linguistic fuzzy attributes
lcut3.default Transform data into a set of linguistic fuzzy attributes
lcut3.matrix Transform data into a set of linguistic fuzzy attributes
lcut3.numeric Transform data into a set of linguistic fuzzy attributes
lcut5 Transform data into a set of linguistic fuzzy attributes
lcut5.data.frame Transform data into a set of linguistic fuzzy attributes
lcut5.default Transform data into a set of linguistic fuzzy attributes
lcut5.matrix Transform data into a set of linguistic fuzzy attributes
lcut5.numeric Transform data into a set of linguistic fuzzy attributes
lukas.biresiduum Algebra for Fuzzy Sets
lukas.residuum Algebra for Fuzzy Sets
lukas.tconorm Algebra for Fuzzy Sets
lukas.tnorm Algebra for Fuzzy Sets
mase Compute forecast errors
mult Callback-based Multiplication of Matrices
pbld Perform a Perception-based Logical Deduction (PbLD) with given rule-base on given dataset
perceive From a set of rules, remove each rule for which another rule exists that is more specific.
pgoedel.tconorm Algebra for Fuzzy Sets
pgoedel.tnorm Algebra for Fuzzy Sets
pgoguen.tconorm Algebra for Fuzzy Sets
pgoguen.tnorm Algebra for Fuzzy Sets
plot.fsets Plot a 'fsets' object
plukas.tconorm Algebra for Fuzzy Sets
plukas.tnorm Algebra for Fuzzy Sets
print.farules Print an instance of the 'farules' class
print.frbe Print an instance of the 'frbe' class
print.fsets Print an instance of the 'fsets' class
raisedcos Compute membership degrees of values to the fuzzy set
rbcoverage Compute rule base coverage of data
reduce Reduce the size of rule base
rmse Compute forecast errors
searchrules Searching for fuzzy association rules
sel Select several rows and columns from a data object
sel.farules Select several rows and columns from a data object
sel.fsets Select several rows and columns from a data object
slices Return vector of values from given interval
smape Compute forecast errors
specs A class of a table with several fuzzy sets.
strict.neg Algebra for Fuzzy Sets
tail.farules Return the last part of an instance of the 'farules' class
tail.fsets Return the last part of an instance of the 'fsets' class
triangle Compute membership degrees of values to the fuzzy set
vars A class of a table with several fuzzy sets.