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This is the development version of frma; for the stable release version, see frma.

Frozen RMA and Barcode

Bioconductor version: Development (3.19)

Preprocessing and analysis for single microarrays and microarray batches.

Author: Matthew N. McCall <mccallm at>, Rafael A. Irizarry <rafa at>, with contributions from Terry Therneau

Maintainer: Matthew N. McCall <mccallm at>

Citation (from within R, enter citation("frma")):


To install this package, start R (version "4.4") and enter:

if (!require("BiocManager", quietly = TRUE))

# The following initializes usage of Bioc devel


For older versions of R, please refer to the appropriate Bioconductor release.


To view documentation for the version of this package installed in your system, start R and enter:

frma: Preprocessing for single arrays and array batches PDF R Script
Reference Manual PDF


biocViews Microarray, Preprocessing, Software
Version 1.55.0
In Bioconductor since BioC 2.6 (R-2.11) (14 years)
License GPL (>= 2)
Depends R (>= 2.10.0), Biobase(>= 2.6.0)
Imports Biobase, MASS, DBI, affy, methods, oligo, oligoClasses, preprocessCore, utils, BiocGenerics
System Requirements
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Suggests hgu133afrmavecs, frmaExampleData
Linking To
Depends On Me
Imports Me ChIPXpress, DeSousa2013, rat2302frmavecs
Suggests Me antiProfilesData, ath1121501frmavecs, frmaTools
Links To Me
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Source Package frma_1.55.0.tar.gz
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macOS Binary (x86_64) frma_1.55.0.tgz
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