diyar: Record Linkage and Epidemiological Case Definitions in R

An R package for record linkage and implementing epidemiological case definitions in R. Record linkage is implemented either through a multistage deterministic approach or a probabilistic approach. Matching records are assigned to unique groups. There are mechanisms to address missing data and conflicting matches across linkage stages. Track and assign events (e.g. sample collection) and periods (e.g. hospital admission) to unique groups based on a case definition. The tracking process permits several options such as episode lengths and recurrence. Duplicate events or records can then be identified for removal or further analyses.

Version: 0.4.3
Depends: R (≥ 3.5.0)
Imports: methods, utils, ggplot2, rlang
Suggests: knitr, rmarkdown, testthat, covr
Published: 2022-12-23
Author: Olisaeloka Nsonwu
Maintainer: Olisaeloka Nsonwu <olisa.nsonwu at>
License: GPL-3
NeedsCompilation: no
Language: en-GB
Materials: README NEWS
CRAN checks: diyar results


Reference manual: diyar.pdf
Vignettes: Introduction to epidemiological case definitions with diyar
Introduction to record linkage with diyar
number_line and overlaps
Divvy up events with partitions


Package source: diyar_0.4.3.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
macOS binaries: r-release (arm64): diyar_0.4.3.tgz, r-oldrel (arm64): diyar_0.4.3.tgz, r-release (x86_64): diyar_0.4.3.tgz, r-oldrel (x86_64): diyar_0.4.3.tgz
Old sources: diyar archive


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