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      DAPAR & ProStaR: software to perform statistical analyses in quantitative discovery proteomics

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          Abstract

          Summary: DAPAR and ProStaR are software tools to perform the statistical analysis of label-free XIC-based quantitative discovery proteomics experiments. DAPAR contains procedures to filter, normalize, impute missing value, aggregate peptide intensities, perform null hypothesis significance tests and select the most likely differentially abundant proteins with a corresponding false discovery rate. ProStaR is a graphical user interface that allows friendly access to the DAPAR functionalities through a web browser.

          Availability and implementation: DAPAR and ProStaR are implemented in the R language and are available on the website of the Bioconductor project ( http://www.bioconductor.org/). A complete tutorial and a toy dataset are accompanying the packages.

          Contact: samuel.wieczorek@ 123456cea.fr , florence.combes@ 123456cea.fr , thomas.burger@ 123456cea.fr

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          DAnTE: a statistical tool for quantitative analysis of -omics data.

          Data Analysis Tool Extension (DAnTE) is a statistical tool designed to address challenges associated with quantitative bottom-up, shotgun proteomics data. This tool has also been demonstrated for microarray data and can easily be extended to other high-throughput data types. DAnTE features selected normalization methods, missing value imputation algorithms, peptide-to-protein rollup methods, an extensive array of plotting functions and a comprehensive hypothesis-testing scheme that can handle unbalanced data and random effects. The graphical user interface (GUI) is designed to be very intuitive and user friendly. DAnTE may be downloaded free of charge at http://omics.pnl.gov/software/. An example dataset with instructions on how to perform a series of analysis steps is available at http://omics.pnl.gov/software/
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            ImputeLCMD: A Collection of Methods for Left-Censored Missing Data Imputation

            C Lazar (2015)
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              Author and article information

              Journal
              Bioinformatics
              Bioinformatics
              bioinformatics
              Bioinformatics
              Oxford University Press
              1367-4803
              1367-4811
              01 January 2017
              06 September 2016
              06 September 2016
              : 33
              : 1
              : 135-136
              Affiliations
              [1 ]Université Grenoble Alpes, BIG-BGE, Grenoble, 38000, France
              [2 ]CEA, BIG-BGE, Grenoble, 38000, France
              [3 ]INSERM, BGE, Grenoble, 38000, France
              [4 ]Computational Proteomics Unit, Cambridge, CB2 1GA, UK
              [5 ]Cambridge Center for Proteomics, Cambridge, CB2 1GA, UK
              [6 ]CNRS, BIG-BGE, Grenoble, 38000, France
              Author notes
              [* ]To whom correspondence should be addressed.

              Associate editor: Janet Kelso

              Article
              btw580
              10.1093/bioinformatics/btw580
              5408771
              27605098
              a71cf7e7-7556-40e7-a2a4-f5313c93d30b
              © The Author 2016. Published by Oxford University Press.

              This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

              History
              : 14 December 2015
              : 5 July 2016
              : 2 September 2016
              Page count
              Pages: 2
              Categories
              Applications Notes
              Gene Expression

              Bioinformatics & Computational biology
              Bioinformatics & Computational biology

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