Version 1.4.4 July 7, 2012. A new algorithm is implemented to calculate the variance of CPE for tied variables, which is more accurate than that in the previous version. Version 1.5.1 September, 2018 Update maintainer's information Version 1.5.2 January, 2022 fixed a compiling error caused by function error(), which was undefined in the new version of R. Replace error() with Rprintf() Version 1.6.0 Febrary 2023 fixed compiling errors caused by R 4.3.x, related to argument FCLEN in F77_CALL(dgemv)