paul-buerkner/brms

Discrete Burr Type XII distribution

Open

#1,689 建立於 2024年9月20日

在 GitHub 查看
 (0 留言) (3 反應) (0 負責人)R (1,402 star) (220 fork)batch import
familyfeaturegood first issue

描述

The discrete Burr Type XII distribution is a count data distribution that may have good potential to handle underdispersed data. It is discussed in Link and also implemented in gamlss although with a slightly different (better?) parameterization. Could be nice to have this distribution as a family in brms. Thanks to Robert Grant for the recommendation.

貢獻者指南

技術棧
r
領域
datamachine learning
議題類型
feature
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
4
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
3-5 days
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
fresh
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
mostly clear
前置要求
R programmingStanBayesian statisticsbrms package structure
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
30
研究方向
Study the discrete Burr Type XII distribution from the referenced paper and the gamlss implementation. Review existing discrete distribution families in brms (e.g., negative binomial, Poisson) for template structure. Implement the family in R and Stan, following the brms family convention. Test the implementation with example data.