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The OPLS methodology for analysis of multi-block batch process data
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
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2006 (English)In: Journal of Chemometrics, Vol. 20, no 8-10, 362-9 p.Article in journal (Refereed) Published
Abstract [en]

With increasing availability of different process analysers multiple data sources are commonly available and this will impose new challenges and enable new types of investigations. The ability to separate joint, complementary and redundant information in multiple block data will be of increasing importance. In this study data from a batch mini plant were collected and O2PLS was implemented to facilitate a combined analysis of spectroscopic and process data. This enables assessment of both the joint and complementary variations in the respective data sets. The different types of variation that were separated were then modelled together to evaluate their individual correlation to a time response. By combining data of different origin an uncomplicated summary of the variation was accomplished and a deeper understanding of process interactions was gained. The analysis of separated variation with a response variable proved useful for verifying the supposed correlation between the joint variation and time.

Place, publisher, year, edition, pages
2006. Vol. 20, no 8-10, 362-9 p.
Keyword [en]
OPLS, batch process, multi-block, PAT, O2PLS, process understanding, data fusion
National Category
Chemical Sciences
URN: urn:nbn:se:umu:diva-16899DOI: doi:10.1002/cem.1009OAI: diva2:156572

Published Online: 5 Feb 2007

Available from: 2007-10-18 Created: 2007-10-18 Last updated: 2012-09-05

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Trygg, Johan
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