Eigenvector University returns to Seattle, USA May 12-16, 2025 Complete Info Here!

EVRI-thing You Need to Know about ASCA

Feb 26, 2020

Introduction to ANOVA Simultaneous Component Analysis (ASCA) with PLS_Toolbox presented by:

Prof. Morten Arendt Rasmussen
University of Copenhagen
Department of Food Science
Chemometrics and Analytical Technology

Demo Data (NIR on Bread Staling):
http://www.models.life.ku.dk/node/474

Table of Contents

00:00 – Introduction and Outline

02:12 – Example: Bread – Design of Experiment

06:10 – ANOVA

15:57 – ASCA

19:00 – Example

26:37 – Hypothesis Testing

32:41 – ASCA Summary

40:51 – More Examples

Try it yourself. Get a free demo of Solo (or PLS_Toolbox) from https://www.software.eigenvector.com/toolbox/download/  (Free account creation required)

References:

Amigo, José Manuel, Arantxa del Olmo Alvarez, Merete Møller Engelsen, Henrik Lundkvist, and Søren Balling Engelsen. “Staling of white wheat bread crumb and effect of maltogenic α-amylases. Part 1: Spatial distribution and kinetic modeling of hardness and resilience.” Food chemistry 208 (2016): 318-325.

Amigo, José Manuel, Arantxa del Olmo, Merete Møller Engelsen, Henrik Lundkvist, and Søren Balling Engelsen. “Staling of white wheat bread crumb and effect of maltogenic α-amylases. Part 2: Monitoring the staling process by using near infrared spectroscopy and chemometrics.” Food chemistry 297 (2019): 124946.

General ASCA references:

Smilde, Age K., Jeroen J. Jansen, Huub CJ Hoefsloot, Robert-Jan AN Lamers, Jan Van Der Greef, and Marieke E. Timmerman. “ANOVA-simultaneous component analysis (ASCA): a new tool for analyzing designed metabolomics data.” Bioinformatics 21, no. 13 (2005): 3043-3048.

Jansen, Jeroen J., Huub CJ Hoefsloot, Jan van der Greef, Marieke E. Timmerman, Johan A. Westerhuis, and Age K. Smilde. “ASCA: analysis of multivariate data obtained from an experimental design.” Journal of Chemometrics: A Journal of the Chemometrics Society 19, no. 9 (2005): 469-481.

Smilde, Age K., Huub CJ Hoefsloot, and Johan A. Westerhuis. “The geometry of ASCA.” Journal of Chemometrics: A Journal of the Chemometrics Society 22, no. 8 (2008): 464-471.