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Updated: Apr 7, 2026

Expedited Radiation Biodosimetry by Automated Dicentric Chromosome Identification ADCI and Dose Estimation
Published on: September 4, 2017
radir package: an R implementation for cytogenetic biodosimetry dose estimation
David Moriña1, Manuel Higueras, Pedro Puig
1Centre for Research in Environmental Epidemiology (CREAL), Universitat Pompeu Fabra (UPF), CIBER Epidemiología y Salud Pública (CIBERESP), Barcelona 08003, Spain. Unitat de Fonaments de l'Anàlisi Econòmica, Departament d'Economia i Història Econòmica, Universitat Autònoma de Barcelona, Bellaterra, Barcelona 08193, Spain.
A new R package, radir, implements Bayesian methods for cytogenetic dose estimation. This tool aids in calculating radiation exposure probability using chromosomal aberration data and dose-response models.
Area of Science:
- Radiation Biology
- Biostatistics
- Computational Biology
Background:
- The Bayesian framework offers a robust approach for estimating radiation dose by incorporating prior knowledge and uncertainty.
- Accurate cytogenetic dose estimation is crucial for biological dosimetry and radiation risk assessment.
Purpose of the Study:
- To introduce the 'radir' R package, designed to implement a Bayesian-type dose estimation methodology.
- To provide a user-friendly software tool for applying advanced statistical methods in radiation dosimetry.
Main Methods:
- The 'radir' package utilizes a Bayesian framework for dose estimation.
- It employs the Poisson assumption for chromosomal aberration counts (responses).
- Dose-response curves, typically linear or quadratic, are modeled for inverse regression.
Main Results:
- The 'radir' package successfully reproduces a Bayesian dose estimation methodology.
- Detailed command descriptions and practical examples are provided within the package.
- The software includes a comprehensive manual for user guidance.
Conclusions:
- The 'radir' R package offers a valuable and accessible tool for cytogenetic dose estimation.
- Its user-friendly interface encourages the application of Bayesian methods in radiation research.
- The package supports dose estimation using established dose-response models and statistical assumptions.
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