Changes in version 0.0.1 (2022-04-27) 2022-04-22 1. Created version 0.0.1 from 0.0.0.3. 2. Added references. 3. Updated manuals. 4. Updated DESCRIPTION. Changes in version 0.0.0.3 2022-04-20 1. Created version 0.0.0.3 from 0.0.0.2. 2. Added test cases for testing the linearsil() function. 3. Removed the use of push_back() from the C++ linearsil() function. Changes in version 0.0.0.2 2022-04-06 1. Included find.num.of.clusters() and estimate.period() functions. 2022-03-30 1. Updated package DESCRIPTION file. 2. Created version 0.0.0.2 from 0.0.0.1 Changes in version 0.0.0.1 2022-02-02 1. Created version 0.0.0.1 from 0.0.0.0 Changes in version 0.0.0.0 2021-10-20 1. Created version 0.0.0.0