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iMRMC

Multi-Reader, Multi-Case Analysis Methods (ROC, Agreement, and Other Metrics)

v2.1.0 · Sep 2, 2024 · CC0

Description

This software does Multi-Reader, Multi-Case (MRMC) analyses of data from imaging studies where clinicians (readers) evaluate patient images (cases). What does this mean? ... Many imaging studies are designed so that every reader reads every case in all modalities, a fully-crossed study. In this case, the data is cross-correlated, and we consider the readers and cases to be cross-correlated random effects. An MRMC analysis accounts for the variability and correlations from the readers and cases when estimating variances, confidence intervals, and p-values. The functions in this package can treat arbitrary study designs and studies with missing data, not just fully-crossed study designs. An overview of this software, including references presenting details on the methods, can be found here: <https://www.fda.gov/medical-devices/science-and-research-medical-devices/imrmc-software-do-multi-reader-multi-case-statistical-analysis-reader-studies>.

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CRAN Check Status

3 NOTE
11 OK
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r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 NOTE
r-oldrel-macos-x86_64 NOTE
r-oldrel-windows-x86_64 NOTE
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (3 non-OK)
NOTE r-oldrel-macos-arm64

installed package size

installed size is  5.3Mb
  sub-directories of 1Mb or more:
    java   4.2Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is  5.3Mb
  sub-directories of 1Mb or more:
    java   4.2Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is  5.2Mb
  sub-directories of 1Mb or more:
    java   4.2Mb

Check History

NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is  5.3Mb
  sub-directories of 1Mb or more:
    java   4.2Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is  5.3Mb
  sub-directories of 1Mb or more:
    java   4.2Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is  5.2Mb
  sub-directories of 1Mb or more:
    java   4.2Mb

Reverse Dependencies (1)

imports

Dependency Network

Dependencies Reverse dependencies Matrix NestMRMC iMRMC

Version History

new 2.1.0 Mar 10, 2026
updated 2.1.0 ← 2.0.0 diff Sep 1, 2024
updated 2.0.0 ← 1.2.5 diff May 22, 2024
updated 1.2.5 ← 1.2.4 diff May 14, 2023
updated 1.2.4 ← 1.2.3 diff Feb 23, 2022
updated 1.2.3 ← 1.2.2 diff Jul 14, 2021
updated 1.2.2 ← 1.2.1 diff Mar 23, 2020
updated 1.2.1 ← 1.2.0 diff Jan 19, 2020
updated 1.2.0 ← 1.1.0 diff Apr 18, 2019
new 1.1.0 Dec 11, 2017