is.ft: Test whether x is a valid object of the S3 ft class
Description
Test whether x has a valid format for objects of the S3 ft class that represents
the Fuzzy Transform.
Usage
is.ft(x)
Value
TRUE if x is a valid ft object and FALSE otherwise.
Arguments
x
An object to be tested
Author
Michal Burda
Details
This function tests whether x is an instance of the ft class and whether it is a list
with the following elements: inputs character vector, partitions list, order number,
antecedents matrix and consequents matrix.