zinbcdpmm

Bayesian joint model for longitudinal zero-inflated negative binomial (ZINB) and ordinal outcomes with CDPMM random effects (Liang & Du).

贝叶斯联合模型：纵向零膨胀负二项 + 有序多分类，随机效应为中心化 Dirichlet 过程混合模型（CDPMM）。

Install / 安装

GitHub（当前）:

# install.packages("remotes")
remotes::install_github("Liang-ShuQing/zinb-ordinal-cdpmm-code", subdir = "zinbcdpmm")

CRAN（包被接受后）:

install.packages("zinbcdpmm")

Tiny example / 小例子

library(zinbcdpmm)
set.seed(1)
dat <- simulate_zinb_ordinal(n = 30, nis = 4, scenario = 2, re_dist = "normal")
fit <- fit_zinb_ordinal(dat, chain = 200, burn = 100, thin = 5, G = 4)
print(fit)
summary(fit)

Paper code / 论文代码仓库

Simulation and analysis scripts (this repository): https://github.com/Liang-ShuQing/zinb-ordinal-cdpmm-code

License

MIT © 2026 Shuqing Liang and Jiang Du