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Article Dans Une Revue Journal of Applied Statistics Année : 2003

A procedure for the clustering of cell wall mutants in the model plant arabidopsis based on fourier-transform infrared (FT-IR) spectroscopy

Résumé

FT-IR microspectroscopy can be used to study the global composition and architecture of plant cell walls and it allows cell wall mutants to be identified. Our aim is to define a distance between cell wall mutants in the model species Arabidopsis based on FT-IR spectra. Since the number of data points that constitute a spectrum exceeds the number of samples analysed, it is essential to reduce first the dimension of the dataset. We present a comparison of several compression methods, including linear discriminant analysis using a non-canonical covariance matrix. The calculated distances were used to define clusters of mutants that appeared to be biologically meaningful.
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Dates et versions

hal-01222426 , version 1 (29-10-2015)

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Stephane Robin, Mannaïg Lecomte, Hermanus Höfte, Gregory Mouille. A procedure for the clustering of cell wall mutants in the model plant arabidopsis based on fourier-transform infrared (FT-IR) spectroscopy. Journal of Applied Statistics, 2003, 30 (6), pp.669-681. ⟨10.1080/0266476032000053745⟩. ⟨hal-01222426⟩
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