This package is deprecated. It will probably be removed from Bioconductor. Please refer to the package end-of-life guidelines for more information.

This package is for version 3.18 of Bioconductor. This package has been removed from Bioconductor. For the last stable, up-to-date release version, see snapCGH.

Segmentation, normalisation and processing of aCGH data

Bioconductor version: 3.18

Methods for segmenting, normalising and processing aCGH data; including plotting functions for visualising raw and segmented data for individual and multiple arrays.

Author: Mike L. Smith, John C. Marioni, Steven McKinney, Thomas Hardcastle, Natalie P. Thorne

Maintainer: John Marioni <marioni at>

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


To install this package, start R (version "4.3") and enter:

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


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:

Segmentation Overview PDF R Script
Reference Manual PDF


biocViews CopyNumberVariation, Microarray, Preprocessing, Software, TwoChannel
Version 1.72.0
In Bioconductor since BioC 1.8 (R-2.3) (18 years)
License GPL
Depends R (>= 3.5.0)
Imports aCGH, cluster, DNAcopy, GLAD, graphics, grDevices, limma, methods, stats, tilingArray, utils
System Requirements
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Linking To
Depends On Me
Imports Me ADaCGH2
Suggests Me beadarraySNP
Links To Me
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Follow Installation instructions to use this package in your R session.

Source Package snapCGH_1.72.0.tar.gz
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macOS Binary (x86_64) snapCGH_1.72.0.tgz
macOS Binary (arm64) snapCGH_1.72.0.tgz
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Source Repository (Developer Access) git clone
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