Protein Quantification in Mass Spectrometry-Based Proteomics

An implementation of the MaxLFQ algorithm by Cox et al. (2014) in a comprehensive pipeline for processing proteomics data in data-independent acquisition mode (Pham et al. 2020 ; Pham et al. 2026 ). It offers additional options for protein quantification using the N most intense fragment ions, using all fragment ions, the median polish algorithm by Tukey (1977, ISBN:0201076160), and a robust linear model. In general, the tool can be used to integrate multiple proportional observations into a single quantitative value.


Reference manual

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install.packages("iq")

2.0.1 by Thang Pham, 7 months ago


https://github.com/tvpham/iq


Report a bug at https://github.com/tvpham/iq/issues


Browse source code at https://github.com/cran/iq


Authors: Thang Pham [aut, cre, cph, ctb] (ORCID: , Alex Henneman [ctb]


Documentation:   PDF Manual  


BSD_3_clause + file LICENSE license


Suggests knitr, rmarkdown

Linking to Rcpp, RcppEigen


Suggested by protti.


See at CRAN