Changes in version 1.2.2 o Arguments of the .Fortran functions were converted to the correct data type as recommended in the advance R manual. Changes in version 1.2.1 (2019-06-03) o Argument PACKAGE of the .Fortran functions was corrected. Changes in version 1.2.0 o DESCRIPTION file updated. New version, updated email address, new references and imports. o NAMESPACE file corrected. Declare new imports, correct the export methods and set the registration parameter to TRUE. o src/init.c file is included. This file, generated by package_native_routine_registration_skeleton() includes the registration of the Fortran routines. o The references included in the files man/employee.Rd, man/prune.rt.Rd, man/stima-package.Rd, man/stima.control and man/stima have been corrected.