Changes in version 1.0.3 (2024-09-16) - Citations to published book (Heath et al) added. Changes in version 1.0.2 (2023-11-27) - Fix for test of reference option Changes in version 1.0.1 (2023-11-22) - Bug fix for evppi(...,check=TRUE) with multiple WTPs - pars no longer required for evsi() with regression methods - Reference decision option can be supplied for nonparametric regression with ref argument to evppi() Changes in version 1.0 (2023-05-26) - Initial CRAN release