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JQL  

Jump Q-Learning for Individualized Interval-Valued Dose Rule
View on CRAN: Click here


Download and install JQL package within the R console
Install from CRAN:
install.packages("JQL")

Install from Github:
library("remotes")
install_github("cran/JQL")

Install by package version:
library("remotes")
install_version("JQL", "3.6.9")



Attach the package and use:
library("JQL")
Maintained by
Hengrui Cai
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2019-02-22
Latest Update: 2019-11-15
Description:
We provide tools to estimate the individualized interval-valued dose rule (I2DR) that maximizes the expected beneficial clinical outcome for each individual and returns an optimal interval-valued dose, by using the jump Q-learning (JQL) method. The jump Q-learning method directly models the conditional mean of the response given the dose level and the baseline covariates via jump penalized least squares regression under the framework of Q learning. We develop a searching algorithm by dynamic programming in order to find the optimal I2DR with the time complexity O(n2) and spatial complexity O(n). To alleviate the effects of misspecification of the Q-function, a residual jump Q-learning is further proposed to estimate the optimal I2DR. The outcome of interest includes the best partition of the entire dosage of interest, the regression coefficients of each partition, and the value function under the estimated I2DR as well as the Wald-type confidence interval of value function constructed through the Bootstrap.
How to cite:
Hengrui Cai (2019). JQL: Jump Q-Learning for Individualized Interval-Valued Dose Rule. R package version 3.6.9, https://cran.r-project.org/web/packages/JQL. Accessed 04 Aug. 2026.
Previous versions and publish date:
2.3.3 (2019-02-22 11:30), 3.6.9 (2019-11-15 18:40), (2026-07-09 08:07)
Other packages that cited JQL R package
View JQL citation profile
Other R packages that JQL depends, imports, suggests or enhances
Complete documentation for JQL
Functions, R codes and Examples using the JQL R package
Some associated functions: find.I2DR . opt.dose . tune.JQL . tune.RJQL . 
Some associated R codes: find.I2DR.R . opt.dose.R . tune.JQL.R . tune.RJQL.R .  Full JQL package functions and examples
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