The TRONCO (TRanslational ONCOlogy) package collects algorithms to infer progression models via the approach of Suppes-Bayes Causal Network, both from an ensemble of tumors (cross-sectional samples) and within an individual patient (multi-region or single-cell samples). The package provides parallel implementation of algorithms that process binary matrices where each row represents a tumor sample and each column a single-nucleotide or a structural variant driving the progression; a 0/1 value models the absence/presence of that alteration in the sample. The tool can import data from plain, MAF or GISTIC format files, and can fetch it from the cBioPortal for cancer genomics. Functions for data manipulation and visualization are provided, as well as functions to import/export such data to other bioinformatics tools for, e.g, clustering or detection of mutually exclusive alterations. Inferred models can be visualized and tested for their confidence via bootstrap and cross-validation. TRONCO is used for the implementation of the Pipeline for Cancer Inference.
In this vignette, we will give an overview of the package by presenting some of the functions that could be most commonly used to arrange a data-analysis pipeline, along with their parameters to customize TRONCO's functioning. Advanced example case studies are available at the tool webpage
library(knitr) opts_chunk$set( concordance = TRUE, background = "#f3f3ff" )
Acronym | Extended name | App | Reference -------|---------------|------|--------------- CAPRESE | Cancer Progression Extraction with Single Edges | Ind | PLoS ONE, 9(10):e108358, 2014. CAPRI | Cancer Progression Inference | Ens | Bioinformatics 31(18), 3016-3016, 2015. Edmond | Directed Minimum Spanning Tree with Mutual Information | Ind | Publication. | Gabow | Partially Directed Minimum Spanning Tree with Mutual Information | Ind | Publication. Chow Liu | Undirected Minimum Spanning Tree with Likelihood-Fit | Ind | Publication. Prim | Undirected Minimum Spanning Tree with Mutual Information | Ind | Publication.
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