Search Results - "Wold, Svante"

CV-ANOVA for significance testing of PLS and OPLS® models by Eriksson, Lennart, Trygg, Johan, Wold, Svante

“…This report describes significance testing for PLS and OPLS® (orthogonal PLS) models. The testing is applicable to single‐Y cases and is based on ANOVA of the…”
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Orthogonal projections to latent structures (O-PLS) by Trygg, Johan, Wold, Svante

“…A generic preprocessing method for multivariate data, called orthogonal projections to latent structures (O‐PLS), is described. O‐PLS removes variation from X…”
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A chemometrics toolbox based on projections and latent variables by Eriksson, Lennart, Trygg, Johan, Wold, Svante

“…A personal view is given about the gradual development of projection methods—also called bilinear, latent variable, and more—and their use in chemometrics. We…”
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A randomization test for PLS component selection by Wiklund, Susanne, Nilsson, David, Eriksson, Lennart, Sjöström, Michael, Wold, Svante, Faber, Klaas

“…During the last two decades, a number of methods have been developed and evaluated for selecting the optimal number of components in a PLS model. In this…”
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Orthogonal signal correction of near-infrared spectra by Wold, Svante, Antti, Henrik, Lindgren, Fredrik, Öhman, Jerker

“…Near-infrared (NIR) spectra are often pre-processed in order to remove systematic noise such as base-line variation and multiplicative scatter effects. This is…”
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Using chemometrics for navigating in the large data sets of genomics, proteomics, and metabonomics (gpm) by Eriksson, Lennart, Antti, Henrik, Gottfries, Johan, Holmes, Elaine, Johansson, Erik, Lindgren, Fredrik, Long, Ingrid, Lundstedt, Torbjörn, Trygg, Johan, Wold, Svante

“…This article describes the applicability of multivariate projection techniques, such as principal-component analysis (PCA) and partial least-squares (PLS)…”
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New Chemical Descriptors Relevant for the Design of Biologically Active Peptides. A Multivariate Characterization of 87 Amino Acids by Sandberg, Maria, Eriksson, Lennart, Jonsson, Jörgen, Sjöström, Michael, Wold, Svante

“…In this study 87 amino acids (AA.s) have been characterized by 26 physicochemical descriptor variables. These descriptor variables include experimentally…”
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An evaluation of orthogonal signal correction applied to calibration transfer of near infrared spectra by Sjöblom, Jonas, Svensson, Olof, Josefson, Mats, Kullberg, Hans, Wold, Svante

“…Orthogonal signal correction (OSC) is a technique for pre-processing of, for example, NIR-spectra before they are subjected to a multivariate calibration. With…”
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Hierarchical multiblock PLS and PC models for easier model interpretation and as an alternative to variable selection by Wold, Svante, Kettaneh, Nouna, Tjessem, Kjell

“…In multivariate PLS (partial least square projection to latent structures) and PC (principal component) models with many variables, plots and lists of b…”
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The PLS model space revisited by Wold, Svante, Høy, Martin, Martens, Harald, Trygg, Johan, Westad, Frank, MacGregor, John, Wise, Barry M.

“…Pell, Ramos and Manne (PRM) in a recent article in this journal claim that the ‘conventional’ PLS algorithm with orthogonal scores has an inherent…”
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Adaptive batch monitoring using hierarchical PCA by Rännar, Stefan, MacGregor, John F, Wold, Svante

“…A new approach to monitoring batch processes using the process variable trajectories is presented. It was developed to overcome the need in the approach of…”
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Statistical Molecular Design of Building Blocks for Combinatorial Chemistry by Linusson, Anna, Gottfries, Johan, Lindgren, Fredrik, Wold, Svante

“…The reduction of the size of a combinatorial library can be made in two ways, either base the selection on the building blocks (BB's) or base it on the full…”
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Orthogonal signal correction, wavelet analysis, and multivariate calibration of complicated process fluorescence data by Eriksson, Lennart, Trygg, Johan, Johansson, Erik, Bro, Rasmus, Wold, Svante

“…In this paper, multivariate calibration of complicated process fluorescence data is presented. Two data sets related to the production of white sugar are…”
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Separating Y-predictive and Y-orthogonal variation in multi-block spectral data by Eriksson, Lennart, Toft, Marianne, Johansson, Erik, Wold, Svante, Trygg, Johan

“…Spectral data (X) may contain (a) variation that is correlated to concentrations or properties (Y) of samples and (b) variation that is unrelated to the same…”
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Cross-Validatory Estimation of the Number of Components in Factor and Principal Components Models by Wold, Svante

“…By means of factor analysis (FA) or principal components analysis (PCA) a matrix Y with the elements y ik is approximated by the model Here the parameters α, β…”
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Fuzzy clustering of 627 alcohols, guided by a strategy for cluster analysis of chemical compounds for combinatorial chemistry by Linusson, Anna, Wold, Svante, Nordén, Bo

“…A strategy for cluster analysis of chemical compounds for combinatorial chemistry is presented in this paper and applied to a set of 627 alcohols. The alcohols…”
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PLS-regression: a basic tool of chemometrics by Wold, Svante, Sjöström, Michael, Eriksson, Lennart

“…PLS-regression (PLSR) is the PLS approach in its simplest, and in chemistry and technology, most used form (two-block predictive PLS). PLSR is a method for…”
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O2-PLS, a two-block (X-Y) latent variable regression (LVR) method with an integral OSC filter by Trygg, Johan, Wold, Svante

“…The O2‐PLS method is derived from the basic partial least squares projections to latent structures (PLS) prediction approach. The importance of the covariation…”
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A graphical index of separation (GIOS) in multivariate modeling by Eriksson, Lennart, Wold, Svante

“…We introduce a new measure for the importance of predictor variables, X, for the separation of two groups (classes) of observations. The measure is a Graphical…”
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Some recent developments in PLS modeling by Wold, Svante, Trygg, Johan, Berglund, Anders, Antti, Henrik

“…The original chemometrics partial least squares (PLS) model with two blocks of variables ( X and Y), linearly related to each other, has had several…”
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