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Metabol

The package of preprocessing and statistical analysis of metabolomic data sets made by logratio methodology.

DOI

What is it?

  • The preprocessing: quality control samples treatment and zero imputation
  • The comparison of the logratio methodology with the other transformations/scalings: log, ln, PQN, no transformation, ln(PQN), Pareto scaling
  • Multivariate methods: PCA, PLS-DA (also with VIP plots and permutation test), VIP plots, OPLS-DA (also with permutation test), cluster analysis
  • Univariate methods: boxplots, ROC curves, volcano plots
  • Statistical tests: Shapiro-Wilk test, ANOVA, Kruskal-Wallis test, t-test, permutation test
  • The analysis of correlations in data
  • The analysis of outliers in data

Getting Started

Dependencies

The package has dependencies on

R (>= 2.10), openxlsx, sm, ropls

Installation

Installion of Metabol is really easy for registered users (when the R-tools are installed). Just use

library(devtools)
install_github("Metabol", "AlzbetaG")

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The statistical analysis of metabolomic data with logratio methodology

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