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winn (White Noise Normalization) package for pre-processing metabolomics data

Winn provides functions for metabolomics data correction using a multi-step pipeline:

  1. Outlier Adjustment using the MAD method.
  2. Drift Correction using autocorrelation-based detrending.
  3. Batch Effect Correction using ANOVA-based correction or ComBat.
  4. Median Adjustment by dilution factor-based normalization (PQN) or shrinking.
  5. Optional Scaling by batch.

If no batch information is supplied, the package auto-detects segments (as batchs) using an fkPELT-based approach.

Installation

To install the package and all dependencies (including Bioconductor packages):

# Install BiocManager if not already installed
if (!requireNamespace("BiocManager", quietly = TRUE))
    install.packages("BiocManager")

# Install required Bioconductor dependencies
BiocManager::install("sva")

# Install winn from GitHub
devtools::install_github("ratschlab/winn")


## Authors

* [**Tanmay Tanna**](https://github.com/TanmayTanna)

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R package for metabolomics data correction using a multi-step pipeline

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