Writing

"My story is a good example of how one can keep going despite every failure. My career was never about always being promoted. Even now, I don't know why, but I never complain, I don't blame others, but I set goals for myself and think about the solution. When I was fired ten years ago, they argued that I didn't explain enough what I do. Could it be that they were the only ones who could not understand me? Such people, who always look for fault in others, do not learn from anything." - Katalin Karikó (Nobel Prize 2023)

Full and official list of publications

Hungarian Science Bibliography (the database of Hungarian scientific publications):

mtmt2

Scientometric data

Number of scientific publications (mtmt): 119 (frac: 28.42 of 64)
Cumulative JIF (Journal Impact Factor): 164.63 (frac: 62.81)
(Q1=41 (D1=22) | Q2=11 | Q3=1 | Q4=2)
Cumulative SJR (SCImago Journal Rank): 62.03 (frac: 25.65)
(Q1=34 (D1=14) | Q2=19 | Q3=1 | Q4=1)

frac citations based on 64 WoS/Scopus papers and mtmt: 795.04/617.56*

Tud-O-Méter (MTA MTO pontozás magyarul)

Recently accepted and selected publications

2025-2015

Hamideh Bakhshi, Hamid Abdollahi, Róbert Rajkó: Functionality of Rotational Ambiguity in Self-Modeling Methods to Signal Contribution of Chemical Components. CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS 262:105410 (2025) https://doi.org/10.1016/j.chemolab.2025.105410 {JIF: 3.7; D1 | SJR: 0.667; Q2}
Rajkó Róbert: Görbeillesztés nélküli komponensprofil-kinyerés az analitikai kémiában (MTA doktori értekezés összefoglaló). MAGYAR KÉMIAI FOLYÓIRAT 130(3-4): pp. 155-163. (2025) https://doi.org/10.24100/MKF.2024.03-04.155 közlésre elfogadott kézirat
Róbert Rajkó, István Siket, Péter Hegedűs, Rudolf Ferenc: Development of partial least squares regression with discriminant analysis for software bug prediction. HELIYON 10(15):e35045 (2024) https://doi.org/10.1016/j.heliyon.2024.e35045 {JIF: 3.4; Q1 | SJR: 0.617; Q1}
R. Rajkó: On problematic practice of using normalization in self-modeling/multivariate curve resolution (S/MCR). CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS 244:105033 (2024) https://doi.org/10.1016/j.chemolab.2023.105033 {JIF: 3.7; D1 | SJR: 0.667; Q2}
N. Gillis and R. Rajkó: Partial Identifiability for Nonnegative Matrix Factorization. SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS 44(1): pp. 27-52. (2023) https://doi.org/10.1137/22M1507553 OnResearchGate arXiv {JIF: 1.5; Q2 | SJR: 1.042; Q1}
Mahsa Akbari Lakeh, Hamid Abdollahi, Róbert Rajkó: Predicting the uniqueness of single non-negative profiles estimated by multivariate curve resolution methods. ANALYTICA CHIMICA ACTA 1199:339575 pp. 1-10. (2022) https://doi.org/10.1016/j.aca.2022.339575 {JIF: 6.2; D1 | SJR: 1.042; D1}
Somaiyeh Khodadadi Karimvand, Mahsa Akbari Lakeh, Elnaz Tavakkoli, Mahdiyeh Ghaffari, Nematollah Omidikia, Saeed Khalili Ali Abad, Róbert Rajkó, Hamid Abdollahi: A general rule for uniqueness in Self-Modeling Curve Resolution methods. JOURNAL OF CHEMOMETRICS 34:e3268 pp. 1-14. (2020) https://doi.org/10.1002/cem.3268 {JIF: 2.467; Q1 | SJR: 0.47; Q2}
Elnaz Tavakkoli, Hamid Abdollahi, Róbert Rajkó: New duality based generalized rank annihilation algorithm for determining analyte concentration with realistically estimated error level for practical data sets. CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS 203:104058 pp. 1-8. (2020) GoldOpenAccess https://doi.org/10.1016/j.chemolab.2020.104058 {JIF: 3.491; Q1 | SJR: 0.6; Q2}
Omidikia, N., Ghaffari, M., Rajkó, R.: Sparse non-negative multivariate curve resolution: L0, L1, or L2 norms? CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS 199:103969 pp. 1-9. (2020) GoldOpenAccess https://doi.org/10.1016/j.chemolab.2020.103969 {JIF: 3.491; Q1 | SJR: 0.6; Q2}
Nematollah Omidikia, Hamid Abdollahi, Mohsen Kompany-Zareh, Róbert Rajkó: Trilinear Self-Modeling Curve Resolution using Borgen-Rajkó plot. JOURNAL OF CHEMOMETRICS 34:e3161 pp. 1-17. (2020) https://doi.org/10.1002/cem.3161 {JIF: 2.467; Q1 | SJR: 0.47; Q2}
Titanilla Szögi, Ildikó Schuster, Emőke Borbély, Andrea Gyebrovszki, Zsolt Bozsó, János Gera, Róbert Rajkó, Miklós Sántha, Botond Penke, Livia Fülöp: Effects of the pentapeptide P33 on memory and synaptic plasticity in APP/PS1 transgenic mice: a novel mechanism presenting the protein Fe65 as target. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES 20(12):3050 pp. 1-20 (2019) https://doi.org/10.3390/ijms20123050 {JIF: 4.556; Q1 | SJR: 1.317; Q1}
Elnaz Tavakkoli, Róbert Rajkó, Hamid Abdollahi: Duality based direct resolution of unique profiles using zero concentration region information. TALANTA 184: pp. 557-564 (2018) https://doi.org/10.1016/j.talanta.2018.03.022 {JIF: 4.916; Q1 | SJR: 1.152; Q1}
Anita Vidács, Erika Kerekes, Róbert Rajkó, Tamás Petkovits, Naiyf S Alharbi, Jamal M Khaled, Csaba Vágvölgyi, Judit Krisch: Optimization of essential oils-based natural disinfectants against Listeria monocytogenes and Escherichia coli biofilms formed on polypropylene surfaces. JOURNAL OF MOLECULAR LIQUIDS 255: pp. 257-262. (2018) DOI:10.1016/j.molliq.2018.01.179 {JIF: 4.561; Q1 | SJR: 0.862; Q1}
Mahsa Akbari Lakeh, Róbert Rajkó, Hamid Abdollahi: On local rank deficiency caused problems in analysing chemical data. ANALYTICAL CHEMISTRY 89(4): pp. 2259-2266 (2017) DOI:10.1021/acs.analchem.6b03134 {JIF: 6.042; D1 | SJR: 2.362; D1}
Róbert Rajkó, Nematollah Omidikia, Hamid Abdollahi, Mohsen Kompany-Zareh: On uniqueness of the non-negative decomposition of two- and three-component three-way data arrays. CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS 160: pp. 91-98. (2017) {JIF: 2.701; D1 | SJR: 0.672; Q1}
Nematollah Omidikia, Hamid Abdollahi, Mohsen Kompany-Zareh, Robert Rajko: Analytical solution and meaning of feasible regions in two-component three-way arrays. ANALYTICA CHIMICA ACTA 939: pp. 42-53. (2016) {JIF: 4.950; D1 | SJR: 1.475; D1}
Azadeh Golshan, Hamid Abdollahi, Samira Beyramysoltan, Marcel Maeder, Klaus Neymeyr, Robert Rajkó, Mathias Sawall, Romá Tauler: A review of recent methods for the determination of ranges of feasible solutions resulting from soft modeling analyses of multivariate data. ANALYTICA CHIMICA ACTA 911: pp. 1-13. (2016) {JIF: 4.950; D1 | SJR: 1.475; D1}
Robert Rajko, Hamid Abdollahi, Samira Beyramysoltan, Nematollah Omidikia: Definition and detection of data-based uniqueness in evaluating bilinear (two-way) chemical measurements. ANALYTICA CHIMICA ACTA 855: pp. 21-33. (2015) {JIF: 4.712; D1 | SJR: 1.491; Q1}

5 selected book chapters

2011-2001

Rajkó Róbert: Kemometria (többváltozós, többdimenziós adatelemzés). SZTE JGYPK, Szeged (2011)
F. Eszes, R. Rajkó: Modelling heat penetration curves in thermal processes. Ch. 15. in P. Richardson (Ed.) Improving the Thermal Processing of Foods, Woodhead Publishing Ltd., Abington Hall, Abington, Cambridge, 2004, pp. 307-333. ISBN 1 85573 730 2
Rajkó Róbert: Sokváltozós fizikai és kalibrációs modellfüggvények paramétereinek becslése és alkalmazhatóságának vizsgálata (II.1. fejezet) [Parameter estimation and goodness of fit of parameters of multivariate functions for physical models and calibration]. [chapter II.1] in Horvai György (Szerk. [Ed.]): Sokváltozós adatelemzés (kemometria) [Multivariate data analysis (chemometrics)], Nemzeti Tankönyvkiadó, Budapest, 2001. pp. 109-176.
Héberger Károly, Rajkó Róbert: Faktoranalízis, főkomponens-elemzés és változataik (I.3. fejezet) [Factor and principal component analysis and related procedures]. [chapter I.3] in Horvai György (Szerk. [Ed.]): Sokváltozós adatelemzés (kemometria) [Multivariate data analysis (chemometrics)], Nemzeti Tankönyvkiadó, Budapest, 2001. pp. 71-106.
Héberger Károly, Kolossváry István, Rajkó Róbert: Modellépítés a regressziós számítások során, korrelált változók esetén (II.2. fejezet) [Model building in regression with correlated variables]. [chapter II.2] in Horvai György (Szerk. [Ed.]):Sokváltozós adatelemzés (kemometria) [Multivariate data analysis (chemometrics)], Nemzeti Tankönyvkiadó, Budapest, 2001. pp. 177-214.

Some selected conference lectures

2025-2017

Rajkó Róbert: Az S/MCR alkalmazásokkal kapcsolatban a normalizálás problematikus alkalmazásáról. 36. Magyar Operációkutatási Konferencia, Szeged, 2025. június 4-6.
Rajkó Róbert: Kemometria és Informatika (info-metria?) - Chemometrics and Informatics (info-metrics?). AGTECO Konferencia 2024, Kecskemét, 2024. november 28.
Rajkó Róbert: Numquam ponenda est pluralitas sine necessitate. KeMoMo–QSAR 2024 Szimpózium, Szeged, 2024. június 3-4.
Rajkó Róbert, Hudák Anett, Letoha Tamás: Kemometriai módszerek alkalmazása: gyártás/mérés. A környezetvédelmi mérés és mintavétel aktuális kérdései, KSZGYSZ-ASZK, Budapest, 2024. május 29.
Róbert Rajkó: Normalization in/of chemometrics. Topics in Chemometrics TIC2023, Rostock, Germany, 20-22 September 2023
Rajkó Róbert: Bioinformatika - Biokemometria. ELIXIR Magyar Node éves konferenciája, Budapest, 2023. május 17.
R. Rajkó, N. Gillis, M. Akbari Lakeh, H. Abdollahi: Global vs local partial identifiability of NMF solutions. Preliminary mathematical and chemometrical interpretations. Workshop on Low-Rank Models and Applications LRMA22, University of Mons, Belgium, 15-16 September 2022
Mahsa Akbari Lakeh, Hamid Abdollahi, Róbert Rajkó: Predicting the uniqueness of single non-negative profiles estimated by multivariate curve resolution methods. European Forum on Analytical Sciences and Technology - EuroFAST2022, Nijmegen, the Netherlands, 19-22 April 2022
Róbert Rajkó: Newest results and problems on self-modelling curve resolution. Topics in Chemometrics TIC2019, Szeged, Hungary, 15-18 May 2019
Robert Rajko: Use and abuse of curve resolution in chemometrics (45 min. invited lecture). Topics in Chemometrics TIC2017, Newcastle, Australia, 18-21 April 2017

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