The role of chemometrics in improving clinical data analysis and diagnostics

I Stanimirova, M Daszykowski, PK Hopke - TrAC Trends in Analytical …, 2024 - Elsevier
In recent years, due to the significant development of instrumental techniques, clinical
research has acquired many interesting tools and analytical platforms that can support the …

Identification of ground meat species using near-infrared spectroscopy and class modeling techniques–Aspects of optimization and validation using a one-class …

L Pieszczek, H Czarnik-Matusewicz, M Daszykowski - Meat Science, 2018 - Elsevier
Chemometric methods permit the construction of classifiers that effectively assist in
monitoring safety, quality and authenticity of meat based on the near-infrared (NIR) spectral …

[HTML][HTML] Anomalous values and missing data in clinical and experimental studies

HA Miot - Jornal vascular brasileiro, 2019 - SciELO Brasil
Durante a análise dos dados de uma pesquisa científica, é habitual deparar-se com valores
anômalos ou dados faltantes. Valores anômalos podem ser resultado de erros de registro …

Detecting influential observations by cluster analysis and Monte Carlo cross-validation

X Bian, W Cai, X Shao, D Chen, ER Grant - Analyst, 2010 - pubs.rsc.org
The detection of influential observations is an essential step for building high performance
models and has been recognized as an important and challenging task in many industrial …

[HTML][HTML] Valores anômalos e dados faltantes em estudos clínicos e experimentais

HA Miot - Jornal Vascular Brasileiro, 2019 - SciELO Brasil
Durante a análise dos dados de uma pesquisa científica, é habitual deparar-se com valores
anômalos ou dados faltantes. Valores anômalos podem ser resultado de erros de registro …

Practical approaches to principal component analysis for simultaneously dealing with missing and censored elements in chemical data

I Stanimirova - Analytica Chimica Acta, 2013 - Elsevier
Multivariate chemical data often contain elements that are missing completely at random
and the so-called left-censored elements whose values are only known to be below a …

Use of near infrared spectroscopy and spectral databases to assess the quality of pharmaceutical products and aid characterization of unknown components

MM Said, S Gibbons, A Moffat… - Journal of Near Infrared …, 2019 - journals.sagepub.com
This research was initiated as part of the fight against public health problems of rising
counterfeit, substandard and poor quality medicines and herbal products. An effective …

Multivariate linear regression with missing values

Y Beyad, M Maeder - Analytica chimica acta, 2013 - Elsevier
This contribution presents and discusses an efficient algorithm for multivariate linear
regression analysis of data sets with missing values. The algorithm is based on the insight …

Robust methods in analysis of multivariate food chemistry data

I Stanimirova, M Daszykowski, B Walczak - Data handling in science and …, 2013 - Elsevier
In this chapter, foundations of robust statistics are introduced, including classic and robust
estimators as well as their statistical properties (breakdown point, efficiency, influence …

Exploratory analysis of metabolomic data

I Stanimirova, M Daszykowski - Comprehensive analytical chemistry, 2018 - Elsevier
This chapter focuses on the exploratory analysis of metabolomic data. The goal of data
exploration is to uncover any possible differences in sampling procedures, to examine the …