data and code to replicate D-spline paper
CP Schmertmann, 2021. "D-splines: Estimating rate schedules using high-dimensional splines with empirical demographic penalties", Demographic Research 44-45. DOI: 10.4054/DemRes.2021.44.45
http://www.demographic-research.org/Volumes/Vol44/45/
The Human Mortality Database (HMD) files used in the analysis are hosted in a replication repository on the HMD site, at https://www.mortality.org/hmd/REPLICATION/Schmertmann_2021_Demog_Res_44-45_data.zip. Access to those files requires (free) registration.