dropout 1.0.0 (Release date: 2023-09-01)

• Initial CRAN release.

dropout 2.0 (Release date: 2023-09-11)

• Issues related to the functions have been resolved, and some components have been implemented in C++ for enhanced performance.

dropout 2.1 (Release date: 2023-09-28)

• Issues related to the functions have been resolved, appearing when working with different data types in surveys