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Build CPMs (cumulative probability models, also known as cumulative link models) to account for detection limits (both single and multiple detection limits) in response variables. Conditional quantiles and conditional CDFs can be calculated based on fitted models. The package implements methods described in Tian, Y., Li, C., Tu, S., James, N. T., Harrell, F. E., & Shepherd, B. E. (2022). "Addressing Detection Limits with Semiparametric Cumulative Probability Models". <arXiv:2207.02815>.
Package details 


Author  Yuqi Tian [aut, cre], Chun Li [aut], Shengxin Tu [aut], Nathan James [aut], Frank Harrell [aut], Bryan Shepherd [aut] 
Maintainer  Yuqi Tian <yuqitian35@gmail.com> 
License  GPL (>= 2) 
Version  1.0.0 
Package repository  View on CRAN 
Installation 
Install the latest version of this package by entering the following in R:

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