greentea: Metabolome analysis of Japanese green tea

greenteaR Documentation

Metabolome analysis of Japanese green tea

Description

This includes metabolome data of Japanese green tea measured by gas chromatgraphy mass spectrometry. The data matrix contains 30 samples and 225 metabolites.

Usage

data(greentea)

Format

The list object "greentea" contains the following elements:

X : Data matrix that include metabolites in each columns.

Y : Dummy matrix that include group information 0,1 in each columns.

D : Differential matrix (Second order).

M : Averaging matrix for repeated data.

y : Ranking of taste in competitive exhibition.

Source

Statistics in Microsoft Excel ( http://prime.psc.riken.jp/compms/others/main.html#Statistics )

Pongsuwan W., Fukusaki E., Bamba T., Yonetani T., Yamahara A.T., Kobayashi A. Prediction of Japanese Green Tea Ranking by Gas Chromatography/Mass Spectrometry-Based Hydrophilic Metabolite Fingerprinting. J. Agric. Food Chem. 2007;55:231-236.


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