DPQL derive
DPQL.derive(ipdata,control,config)
list(SiX, SiXY, SiY, ni)
individual participant data
pda control data
local site configuration
This step calculated the intermediate aggregated data (XtWX, XtWY, and YtWY) for each site. May need to be iterated several times until prespecified rounds are met.
Chongliang Luo, et al. (2021) dPQL: a lossless distributed algorithm for generalized linear mixed model
with application to privacy-preserving hospital profiling. medRxiv, tools:::Rd_expr_doi("10.1101/2021.05.03.21256561").
Chongliang Luo, et al. (2020) Lossless Distributed Linear Mixed Model with Application to Integration of Heterogeneous Healthcare Data.
medRxiv, tools:::Rd_expr_doi("10.1101/2020.11.16.20230730").