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Spectroscopy Solutions (www.spectroscopy-solutions.org) offers free learning from the experts covering methods, applications, webinars, eSeminars, videos and tutorials for users of Atomic, Raman, Infrared (IR), Near Infrared (NIR), UV VIS, NMR, ICP-MS, ICP-OES and related spectroscopic & analytical techniques.

Featured Videos & Tutorials

The Powerful Combination of Vibrational Spectroscopy and Chemometrics

On-Demand Tutorial

Peter de Peinder (VibSpec)

You will learn about Infrared (ATR), NIR and Raman spectroscopy. Furthermore, chemometric techniques like PCA and PLS will be introduced and that vibrational spectra allow you to monitor material properties even if the information is hidden in your data.

Classification Analysis of Spectral Data Using Chemometrics

On-Demand Tutorial

Frederick Long (Spectroscopic Solutions)

There are two general categories of classification problems with the first most commonly used in many industries being the problem of chemical identification. There are several algorithmic approaches for this usually going by the name of wavelength correlation or the related method of Euclidean distance. The second problem associated with classification is often just referred to as classification and this is a more sensitive problem. There are numerous techniques that can be used on spectral data: principal component analysis (PCA), soft independent modeling of class analogies (SIMCA) and partial least squares discriminant analysis (PLS-DA), which is related to the method of PLS that is often used for quantitative modeling.

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