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Two-Tier Mapper: a clustering tool based on topological data analysis

Bioconductor version: Release (3.18)

TTMap is a clustering method that groups together samples with the same deviation in comparison to a control group. It is specially useful when the data is small. It is parameter free.

Author: Rachel Jeitziner

Maintainer: Rachel Jeitziner <rachel.jeitziner at epfl.ch>

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


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:

Manual for the TTMap library PDF R Script
Reference Manual PDF


biocViews Classification, Clustering, DifferentialExpression, Microarray, MultipleComparison, Software
Version 1.24.0
In Bioconductor since BioC 3.7 (R-3.5) (6 years)
License GPL-2
Depends rgl, colorRamps
Imports grDevices, graphics, stats, utils, methods, SummarizedExperiment, Biobase
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Package Archives

Follow Installation instructions to use this package in your R session.

Source Package TTMap_1.24.0.tar.gz
Windows Binary TTMap_1.24.0.zip
macOS Binary (x86_64) TTMap_1.24.0.tgz
macOS Binary (arm64) TTMap_1.24.0.tgz
Source Repository git clone https://git.bioconductor.org/packages/TTMap
Source Repository (Developer Access) git clone git@git.bioconductor.org:packages/TTMap
Bioc Package Browser https://code.bioconductor.org/browse/TTMap/
Package Short Url https://bioconductor.org/packages/TTMap/
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