Changes in version 1.2.1 (2025-09-14) o Typographical errors fixed in some Rd files. Changes in version 1.2.0 (2022-06-16) o Bug fix in Description and some Rd files. Changes in version 1.1.0 (2020-02-08) o class(matrix(...)) definitions were redefined to make the package for compatible to the newer version of R. o The name of the function 'imembucr' was replaced as 'figen'. o Some typographical errors were fixed. Changes in version 0.2.1 o Bug fix for division by zero when the mean is zero in the function imembrand Changes in version 0.2.0 (2017-11-04) o Bugs fix to make the row sums of membership degrees are 1 for the options mtype="f2" and mtype="f3" in the function imembrand. o All of the functions for initialization of cluster prototypes were changed to process univariate data stored in atomic vectors. o The function get.algorithms was added to the package. Changes in version 0.1.0 (2017-10-16) o inaparc version 0.1.0 was published, (October 16, 2017)