Relevant bibliographies by topics / Partial Least Square (PLS) / Dissertations / Theses
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Dissertations / Theses on the topic 'Partial Least Square (PLS)'

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Published: 4 June 2021
Last updated: 26 July 2025

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1

Rogers, C. A. "Partial least squares (PLS) : a comparative assessment." Thesis, University of Bath, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235583.

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2

Bissett, Alastair Campbell. "Improvements to PLS methodology." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/improvements-to-pls-methodology(c5b42981-d0ac-40c1-a801-d662e9e92472).html.

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Partial Least Squares (PLS) is an important statistical technique with multipleand diverse applications, used as an effective regression method for correlated orcollinear datasets or for datasets that are not full rank for other reasons. A shorthistory of PLS is followed by a review of the publications where the issues with theapplication PLS that have been discussed. The theoretical basis of PLS is developedfrom the single value decomposition of the covariance, so that the strong links between principal components analysis and within the various PLS algorithms appear as a natural consequence.
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3

Ruge, Marcus, and Hans Gerhard Strohe. "Analyse von Erwartungen in der Volkswirtschaft mit Partial-Least-Squares-Modellen." Universität Potsdam, 2008. http://opus.kobv.de/ubp/volltexte/2008/2701/.

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Der statistische Diskussionbeitrag untersucht, ob und wie sich Erwartungen und Stimmungen in der Wirtschaft bilden bzw. von welchen volkswirtschaftlichen Größen sie abhängen. Als Methodik werden Partial Least Squares (PLS) Modelle genutzt, eine Modellklasse der Pfadanalyse mit latenten Variablen. Die verwendeten Daten wurden vom Ifo-Institut und aus der amtlichen Statistik entnommen.<br>This paper analyses the development of sentiments and expectations in the German economy. The issue is how these expectatons are influenced by major macroeconomic variables like investments or unemployment. Sev
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4

Panten, Gregor. "Internet-Geschäftsmodell Virtuelle Community : Analyse zentraler Erfolgsfaktoren unter Verwendung des Partial-least-squares(PLS)-Ansatzes /." Wiesbaden : Deutscher Universitäts-Verl, 2005. http://aleph.unisg.ch/hsgscan/hm00204466.pdf.

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5

Plard, Jérôme. "Apport de la chimiométrie et des plans d’expériences pour l’évaluation de la qualité de l’huile d’olive au cours de différents processus de vieillissement." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4315/document.

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L'huile d'olive est un élément important de l'alimentation méditerranéenne. Cependant lorsqu'une huile vieillit, elle se dégrade et perd ses propriétés. Il est donc important de connaitre l'évolution de la composition de l'huile en fonction de ses conditions de stockage et de fabrication. Ce suivi a été effectué sur deux huiles de fabrication différente, une huile fruité vert et une huile fruité noir, obtenue à partir d'olive à maturité que l'on a laissé fermenter quelques jours. De manière à obtenir rapidement des vieillissements poussés, ces deux huiles ont été vieillies artificiellement, pa
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6

Pataca, Luiz Carlos Moutinho. "Analises de mel e propolis utilizando metodos quimiometricos de classificação e calibração." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/249315.

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Orientador: Ronei Jesus Poppi<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Quimica<br>Made available in DSpace on 2018-08-08T04:12:09Z (GMT). No. of bitstreams: 1 Pataca_LuizCarlosMoutinho_D.pdf: 3563791 bytes, checksum: f2877b8f6fa77bd24a2a89eed93b78c4 (MD5) Previous issue date: 2006<br>Doutorado<br>Quimica Analitica<br>Doutor em Ciências
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7

Steeb, Helena. "Retail Branding als Erfolgsfaktor im Einzelhandel : eine Analyse unter Verwendung des Partial Least Squares (PLS)-Ansatzes /." Hamburg : Kovač, 2008. http://www.verlagdrkovac.de/978-3-8300-3464-3.htm.

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8

Steeb, Helena. "Retail-Branding als Erfolgsfaktor im Einzelhandel eine Analyse unter Verwendung des Partial-least-squares- (PLS)-Ansatzes." Hamburg Kovač, 2007. http://d-nb.info/987104381/04.

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9

Le, Cacheux Pierre. "Développement d'une méthode d'analyse chimique des parois artérielles saines et athéroscléreuses fondée sur la spectromédrie de diffusion Raman." Châtenay-Malabry, Ecole centrale de Paris, 1995. http://www.theses.fr/1995ECAP0389.

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L'athérosclérose est actuellement la première cause de mortalité précoce dans les pays industrialisés. Cette maladie se caractérise par l'accumulation, au sein des parois artérielles, de nombreux composes chimiques (lipides, protéines fibreuses, dépôts calciques). Pour bien comprendre les processus pathologiques, il est important de connaitre l'évolution de la composition chimique des artères. Cependant, les techniques couramment utilisées dans ce but sont longues et difficiles à mettre en œuvre. Nous avons donc voulu développer une nouvelle méthode, fondée sur l'utilisation conjointe de la sp
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10

Edberg, Alexandra. "Monitoring Kraft Recovery Boiler Fouling by Multivariate Data Analysis." Thesis, KTH, Skolan för kemi, bioteknologi och hälsa (CBH), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230906.

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This work deals with fouling in the recovery boiler at Montes del Plata, Uruguay. Multivariate data analysis has been used to analyze the large amount of data that was available in order to investigate how different parameters affect the fouling problems. Principal Component Analysis (PCA) and Partial Least Square Projection (PLS) have in this work been used. PCA has been used to compare average values between time periods with high and low fouling problems while PLS has been used to study the correlation structures between the variables and consequently give an indication of which parameters
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11

Flach, Christopher. "EN KVANTITATIV STUDIE PÅ ANVÄNDNING OCH ACCEPTANS AV MOBILA PLÅNBÖCKER : Analys med PLS-SEM." Thesis, Högskolan i Skövde, Institutionen för informationsteknologi, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-11483.

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Den mobila plånboken gör det möjligt att kunna utföra betalningar med hjälp av sin smarttelefon i butiker och har funnits tillgänglig i både Sverige och andra länder runt om i världen under en längre tid. Trots detta visar studier på att denna teknik inte har blivit accepterad av konsumenterna vilket även gör att butiker är motvilliga att investera i denna typ av teknik. Syftet med undersökningen som har genomförts i denna rapport är att delvis undersöka hur utbrett användningen av mobila plånböcker är bland studenter på Högskolan i Skövde, det huvudsakliga syftet är dock att identifiera de fa
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12

Campos, Anderson Luis Saber. "Efeitos de demanda e de oferta na estrutura de capital de companhias abertas no Brasil." Universidade Presbiteriana Mackenzie, 2007. http://tede.mackenzie.br/jspui/handle/tede/673.

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Made available in DSpace on 2016-03-15T19:26:30Z (GMT). No. of bitstreams: 1 Anderson Luis Saber Campos.pdf: 1013366 bytes, checksum: 2e9d466c92f8d404ca44d38a91e676e8 (MD5) Previous issue date: 2007-09-11<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>From the theory on structure of capital and the application of structural equations a model was considered to evaluate the indebtedness of the public companies in Brazil. The effect of direct and indirect costs of bankruptcy, tax benefits, agency costs of free cash flow and the agency costs of borrowing. Computed the results,
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13

Liu, Lanfa, Min Ji, and Manfred F. Buchroithner. "Combining Partial Least Squares and the Gradient-Boosting Method for Soil Property Retrieval Using Visible Near-Infrared Shortwave Infrared Spectra." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2018. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-232271.

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Soil spectroscopy has experienced a tremendous increase in soil property characterisation, and can be used not only in the laboratory but also from the space (imaging spectroscopy). Partial least squares (PLS) regression is one of the most common approaches for the calibration of soil properties using soil spectra. Besides functioning as a calibration method, PLS can also be used as a dimension reduction tool, which has scarcely been studied in soil spectroscopy. PLS components retained from high-dimensional spectral data can further be explored with the gradient-boosted decision tree (GBDT) m
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14

Sinioja, Tim. ""Source characterization of soils contaminated with Polycyclic Aromatic Compounds (PACs) by use of Partial Least Squares Discriminant Analysis (PLS-DA)"." Thesis, Örebro universitet, Institutionen för naturvetenskap och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-64627.

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Polycyclic aromatic compounds (PACs) are organic compounds that include several sub-groups of toxic, persistent and carcinogenic environmental pollutants consisting of two or more non-substituted or substituted aromatic rings. Due to the complexity of PAC-mixtures found in the environment it can be challenging and time-consuming to track the sources of contamination. In the present study, multivariate data analysis (MVDA) models, such as principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA) were applied to track sources of PACs at contaminated sites. Based
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15

Velayutham, Sunitadevi. "The influence of classroom environment on students’ motivation and self-regulation." Thesis, Curtin University, 2012. http://hdl.handle.net/20.500.11937/1717.

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Students‟ motivational beliefs and self-regulatory practices have been identified as instrumental in influencing the engagement of students in the learning process. An important aim of science education is to empower students by nurturing the belief that they can succeed in science learning and to cultivate the adaptive learning strategies required to help to bring about that success. The lack of research on the influence of the learning environment on students‟ motivation and self-regulation provided the impetus for this research. The primary aim of this study was to investigate and identify
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16

Liu, Lanfa, Min Ji, and Manfred F. Buchroithner. "Combining Partial Least Squares and the Gradient-Boosting Method for Soil Property Retrieval Using Visible Near-Infrared Shortwave Infrared Spectra." Molecular Diversity Preservation International (MDPI), 2017. https://tud.qucosa.de/id/qucosa%3A30734.

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Soil spectroscopy has experienced a tremendous increase in soil property characterisation, and can be used not only in the laboratory but also from the space (imaging spectroscopy). Partial least squares (PLS) regression is one of the most common approaches for the calibration of soil properties using soil spectra. Besides functioning as a calibration method, PLS can also be used as a dimension reduction tool, which has scarcely been studied in soil spectroscopy. PLS components retained from high-dimensional spectral data can further be explored with the gradient-boosted decision tree (GBDT) m
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17

Jonasson, Fanny, and Amanda Oskarsson. "Att äta kakan och ha den kvar : En studie om universitetsstudenters medvetenhet, attityd, och beteende gällande cookies." Thesis, Uppsala universitet, Institutionen för informatik och media, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-387697.

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Cookies är idag ett utbrett fenomen som nyttjas vid digital insamling av information. Informationen som samlas in är ofta av personlig karaktär och används bland annat för att individanpassa användarupplevelser på webbsidor. Ovissheten kring digital insamling av personlig information skapar en oro som idag är mycket omdebatterad. Detta arbete utgörs av en kvantitativ studie med syfte att undersöka möjliga samband mellan universitetsstudenters medvetenhet, attityd och beteende gällande digital insamling av information. Undersökningen består av en onlinebaserad enkät. Det insamlad
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18

Hassling, Andreas, and Simon Flink. "SYSTEM IDENTIFICATION OF A WASTE-FIRED CFB BOILER : Using Principal Component Analysis (PCA) and Partial Least Squares Regression modeling (PLS-R)." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-34979.

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Heat and electricity production along with waste management are two modern day challenges for society. One of the possible solution to both of them is the incineration of household waste to produce heat and electricity. Incineration is a waste-to-energy treatment process, which can reduce the need for landfills and save the use of more valuable fuels, thereby conserving natural resources. This report/paper investigates the performance and emissions of a municipal solid waste (MSW) fueled industrial boiler by performing a system identification analysis using Principle Component Analysis (PCA) a
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19

Gomes, Adriano de Araújo. "Algoritmo das projeções sucessivas aplicado à seleção de variáveis em regressão PLS." Universidade Federal da Paraí­ba, 2012. http://tede.biblioteca.ufpb.br:8080/handle/tede/7056.

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Made available in DSpace on 2015-05-14T13:21:12Z (GMT). No. of bitstreams: 1 arquivototal.pdf: 4180515 bytes, checksum: c6359ed912cde60c8848929b44dcca5c (MD5) Previous issue date: 2012-03-08<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>Spectroscopy techniques combined with multivariate calibration have allowed the development of methods for analyte determinations (or other properties) in complex matrices. In this context, it can be mentioned the determinations that uses models based on PLS (Partial Least Square) regression, which is well established and consoli
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20

Yan, Lipeng. "The application of multivariate statistical analysis and optimization to batch processes." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/the-application-of-multivariate-statistical-analysis-and-optimization-to-batch-processes(e6dbe45d-94bb-4e84-a12f-542876af54f5).html.

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Multivariate statistical process control (MSPC) techniques play an important role in industrial batch process monitoring and control. This research illustrates the capabilities and limitations of existing MSPC technologies, with a particular focus on partial least squares (PLS).In modern industry, batch processes often operate over relatively large spaces, with many chemical and physical systems displaying nonlinear performance. However, the linear PLS model cannot predict nonlinear systems, and hence non-linear extensions to PLS may be required. The nonlinear PLS model can be divided into Typ
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21

Mohd, Mustamil Norizah. "The influence of culture and ethical ideology on ethical decision making process of Malaysian managers." Thesis, Curtin University, 2010. http://hdl.handle.net/20.500.11937/646.

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The ethical decision making (EDM) process of individuals has proven to be very challenging due to the multitude of complex and varied factors that contribute to this behaviour. Nevertheless, many theoretical frameworks have been proposed to describe such behaviour. Despite the increasing number of EDM models and practices, reports of unethical incidents and illegal behaviour, especially in organizations, continue to appear. This problem is in part related to the failure of EDM models that do not adequately explain the antecedent factors of ethical behaviour by individuals in organizations. As
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22

Eksoz, Can. "Improving collaborative forecasting performance in the food supply chain." Thesis, Brunel University, 2014. http://bura.brunel.ac.uk/handle/2438/13826.

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The dynamic structure of the Food Supply Chain (FSC) distinguishes itself from other supply chains. Providing food to customers in a healthy and fresh manner necessitates a significant effort on the part of manufacturers and retailers. In practice, while these partners collaboratively forecast time-sensitive and / or short-life product-groups (e.g. perishable, seasonal, promotional and newly launched products), they confront significant challenges which prevent them from generating accurate forecasts and conducting long-term collaborations. Partners’ challenges are not limited only to the fluc
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23

Nkengne, Nguimezong Alex Albert. "Prédire l'âge de personnes à partir de photos du visage : une étude fondée sur la caractérisation et l'analyse de signes du vieillissement." Paris 6, 2008. https://tel.archives-ouvertes.fr/tel-00812718.

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L’âge a de tout temps constitué un attribut identitaire important. Nous avons développé au fil de l’évolution une aptitude innée à classer les individus en fonction de leur âge. Cette classification s’appuie en grande partie sur le visage et sur les transformations anatomiques qu’il subit au cours du temps. De plus en plus de traitements cosmétiques, dermatologiques et d’interventions chirurgicales s’attaquant à un signe ou un groupe de signes spécifiques du vieillissement sont mis en oeuvre pour annuler, ou tout au moins masquer partiellement l’effet du temps sur le visage. On peut dès lors s
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24

Etsebeth, Eugene Everard. "Trialability, perceived risk and complexity of understanding as determinants of cloud computing services adoption." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/29623.

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In 2011 one-third of South African organisations did not intend to adopt cloud computing services because IT decision-maker lacked understanding of the related concepts and benefits (Goldstuck, 2011). This research develops a media-oriented model to examine the adoption of these services in South Africa. The model uses the technology acceptance model (TAM) and innovation diffusion theory (IDT) to develop variables that are considered determinants of adoption including trialability, complexity of understanding, perceived risk, perceived ease of use and perceived usefulness.An electronic survey
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25

Abrahamsson, Sandra. "Utformning av mjukvarusensorer för avloppsvatten med multivariata analysmetoder." Thesis, Uppsala universitet, Institutionen för informationsteknologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-207863.

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Varje studie av en verklig process eller ett verkligt system är baserat på mätdata. Förr var den tillgängliga datamängden vid undersökningar ytterst begränsad, men med dagens teknik är mätdata betydligt mer lättillgängligt. Från att tidigare enbart haft få och ofta osammanhängande mätningar för någon enstaka variabel, till att ha många och så gott som kontinuerliga mätningar på ett större antal variabler. Detta förändrar möjligheterna att förstå och beskriva processer avsevärt. Multivariat analys används ofta när stora datamängder med många variabler utvärderas. I det här projektet har de mult
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26

Luz, Joana Rita Costa Paixão Rosado da. "A intenção de adoção do QR code em Portugal pelos utilizadores finais." Master's thesis, Instituto Superior de Economia e Gestão, 2016. http://hdl.handle.net/10400.5/12891.

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Mestrado em Gestão de Sistemas de Informação<br>Este trabalho estuda qual a intenção de adoção da tecnologia Qr Code em Portugal pelos utilizadores finais. Este é um código bidimensional bastante utilizado no quotidiano, não só pelas suas características bastante diferentes dos habituais códigos de barras, mas também porque fornece um rápido acesso a informação uma vez que pode ser lido por smartphones. O objetivo deste estudo foi não só saber qual a intenção de adoção desta tecnologia por parte dos consumidores finais portugueses mas também quais os principais fatores que a influenciam. Para
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27

Pacheco, Bernal Maria Carmen. "La adopción de la investigación de marketing con dispositivos móviles: un análisis empírico en la industria de la investigación de mercados en España." Doctoral thesis, Universitat Oberta de Catalunya, 2019. http://hdl.handle.net/10803/668434.

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Les tecnologies mòbils han representat nous reptes i oportunitats per als professionals de la indústria de la recerca en màrqueting i han permès noves maneres de recollir dades sobre les persones investigades. No obstant això, i malgrat els avantatges que representa l'ús d'aquestes metodologies, el seu procés d'adopció i difusió com a tècniques de recollida d'informació ha estat molt lent. Així mateix, el seu ús continua sent bastant limitat. Davant d'aquesta situació, aquest treball doctoral pretén avançar en la comprensió del procés d'adopció de la tecnologia i identificar els factors tecnol
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Nkengne, Alex A. "Prédire l'âge de personnes à partir de photos du visage : une étude fondée sur la caractérisation et l'analyse de signes du vieillissement." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2008. http://tel.archives-ouvertes.fr/tel-00812718.

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L'âge a de tout temps constitué un attribut identitaire important. Nous avons développé au fil de l'évolution une aptitude innée à classer les individus en fonction de leur âge. Cette classification s'appuie en grande partie sur le visage et sur les transformations anatomiques qu'il subit au cours du temps. De plus en plus de traitements cosmétiques, dermatologiques et d'interventions chirurgicales s'attaquant à un signe ou un groupe de signes spécifiques du vieillissement sont mis en oeuvre pour annuler, ou tout au moins masquer partiellement l'effet du temps sur le visage. On peut dès lors s
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González, Rojas Victor Manuel. "Análisis conjunto de múltiples tablas de datos mixtos mediante PLS." Doctoral thesis, Universitat Politècnica de Catalunya, 2014. http://hdl.handle.net/10803/284659.

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The fundamental content of this thesis corresponds to the development of the GNM-NIPALIS, GNM-PLS2 and GNM-RGCCA methods, used to quantify qualitative variables parting from the first k components given by the appropriate methods in the analysis of J matrices of mixed data. These methods denominated GNM-PLS (General Non Metric Partial Least Squares) are an extension of the NM-PLS methods that only take the first principal component in the quantification function. The transformation of the qualitative variables is done through optimization processes, usually maximizing functions of covariance
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30

Keeffe, Eloise Caitlin. "Rapid nutrient determination of sugarcane milling by-products using near infrared spectroscopy." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/63980/1/Eloise_Keeffe_Thesis.pdf.

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This thesis investigates the use of near infrared (NIR) spectroscopic methods for rapid measurement of nutrient elements in mill mud and mill ash. Adoption of NIR-based analyses for carbon, nitrogen, phosphorus, potassium and silicon will allow Australian sugarcane farmers to comply with recent legislative changes, and act within recommended precision farming frameworks. For these analyses, NIR spectroscopic methods surpass several facets of traditional wet chemistry techniques, dramatically reducing costs, required expertise and chemical exposure, while increasing throughput and access to dat
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Sibé, Matthieu. "L'hôpital magnétique : définition, conceptualisation, attributs organisationnels et conséquences perçues sur les attitudes au travail." Thesis, Rennes 1, 2014. http://www.theses.fr/2014REN1G031.

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De nombreux constats contemporains s’alarment du malaise récurrent des ressources humaines hospitalières, particulièrement à l’endroit des médecins et des soignants, et par conséquent du risque de mauvaise qualité de prise en charge des patients. Adoptant une approche plus optimiste, des chercheurs américains en soins infirmiers ont mis en évidence depuis le début des années 1980 l’existence d’hôpitaux dits magnétiques, parce qu’attractifs et fidélisateurs, et où il ferait bon travailler et se faire soigner. Cette thèse vise à approfondir le concept de Magnet Hospital, à éclairer sa définition
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Appiagyei, Kwadjo. "Evaluating integrated reporting quality, its determinants and its effect on sustainability in a mandatory reporting environment." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2020. https://ro.ecu.edu.au/theses/2378.

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over time firms may be looking beyond merely satisfying the regulatory requirements to realise the full benefits of IR. Furthermore, the study finds that among the three examined determinants of IR quality—political visibility, effective corporate governance and financial performance—on the JSE, political visibility is the best predictor. Also, the study finds evidence to support the assertion that IR affects sustainability. Moreover, IR quality is found to mediate the relationship between corporate governance, political visibility and sustainability performance. Hence, the argument that IR ha
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33

Rabaa'i, Ahmad A. "Evaluating the success of large-scale, integrated information systems through the lens of IS-impact and IS-support." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/53179/1/Ahmad_Rabaa%27i_Thesis.pdf.

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This study proceeds from a central interest in the importance of systematically evaluating operational large-scale integrated information systems (IS) in organisations. The study is conducted within the IS-Impact Research Track at Queensland University of Technology (QUT). The goal of the IS-Impact Track is, "to develop the most widely employed model for benchmarking information systems in organizations for the joint benefit of both research and practice" (Gable et al, 2009). The track espouses programmatic research having the principles of incrementalism, tenacity, holism and generalisability
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34

Hellberg, Sven. "A multivariate approach to QSAR." Doctoral thesis, Umeå universitet, Kemiska institutionen, 1986. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-100713.

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Quantitative structure-activity relationships (OSAR) constitute empirical analogy models connecting chemical structure and biological activity. The analogy approach to QSAR assume that the factors important in the biological system also are contained in chemical model systems. The development of a QSAR can be divided into subproblems: 1. to quantify chemical structure in terms of latent variables expressing analogy, 2. to design test series of compounds, 3. to measure biological activity and 4. to construct a mathematical model connecting chemical structure and biological activity. In this the
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Shakeri, Shadi. "Modeling Information Seeking Under Perceived Risk." Thesis, University of North Texas, 2018. https://digital.library.unt.edu/ark:/67531/metadc1404510/.

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Information seeking and information avoidance are the mechanisms humans natural used for coping with uncertainties and adapting to environmental stressors. Uncertainties are rooted in knowledge gaps. In social sciences, the relationship between knowledge gaps and perceived risk have received little attention. A review of the information science literature suggests that few studies have been devoted to the investigation of the role of this relationship in motivating information-seeking behavior. As an effort to address the lack of theory building in the field of information science, this study
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36

Pearce, Antony. "Lean thinking and the factors necessary for its success." Thesis, University of Canterbury. Mechanical Engineering, 2014. http://hdl.handle.net/10092/9662.

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Lean management is becoming the standard for systematic productivity improvement, but the majority of implementations fail to sustain. Hence, the critical success factors for lean were the focus of this work. Literature review showed that the causality for lean success was not empirically developed beyond case study contextualisation. A multifaceted work was developed with contextualisation studies, survey of lean knowledge (758 responses), and a comprehensive case-study questionnaire (1253 responses from 44 countries). The statistical methods included exploratory factor analysis and path anal
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Ajib, Budour. "Contribution à la modélisation de la qualité de l'orge et du malt pour la maîtrise du procédé de maltage." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0315/document.

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Dans un marché en permanente progression et pour répondre aux besoins des brasseurs en malt de qualité, la maîtrise du procédé de maltage est indispensable. La qualité du malt est fortement dépendante des conditions opératoires, en particulier des conditions de trempe, mais également de la qualité de la matière première : l'orge. Dans cette étude, nous avons établi des modèles polynomiaux qui mettent en relation les conditions opératoires et la qualité du malt. Ces modèles ont été couplés à nos algorithmes génétiques et nous ont permis de déterminer les conditions optimales de maltage, soit po
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38

Nguyen, Hoang Phuong Linh. "Mesure de la qualité de service logistique en contexte e-commerce B2C, satisfaction et intention de ré-achat." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSES018.

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Les ventes en ligne ont connu une croissance spectaculaire au cours des dernières années. Le succès du e-commerce implique également des risques. L’un d’entre eux concerne le service logistique. Force est de constater que les consommateurs sont de plus en plus exigeants vis-à-vis du service e-logistique. Ce dernier constitue actuellement l’une des attentes majeures du consommateur. Or, peu de recherches académiques se sont intéressées au service e-logistique tel que le consommateur le perçoit. La question de la mesure de la qualité de service e-logistique et de ses conséquences révèle un sujet
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Plard, Jérôme. "Apport de la chimiométrie et des plans d’expériences pour l’évaluation de la qualité de l’huile d’olive au cours de différents processus de vieillissement." Electronic Thesis or Diss., Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4315.

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L'huile d'olive est un élément important de l'alimentation méditerranéenne. Cependant lorsqu'une huile vieillit, elle se dégrade et perd ses propriétés. Il est donc important de connaitre l'évolution de la composition de l'huile en fonction de ses conditions de stockage et de fabrication. Ce suivi a été effectué sur deux huiles de fabrication différente, une huile fruité vert et une huile fruité noir, obtenue à partir d'olive à maturité que l'on a laissé fermenter quelques jours. De manière à obtenir rapidement des vieillissements poussés, ces deux huiles ont été vieillies artificiellement, pa
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40

Bergfors, Linus. "Explorative Multivariate Data Analysis of the Klinthagen Limestone Quarry Data." Thesis, Uppsala University, Department of Information Technology, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-122575.

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<p> </p><p>The today quarry planning at Klinthagen is rough, which provides an opportunity to introduce new exciting methods to improve the quarry gain and efficiency. Nordkalk AB, active at Klinthagen, wishes to start a new quarry at a nearby location. To exploit future quarries in an efficient manner and ensure production quality, multivariate statistics may help gather important information.</p><p>In this thesis the possibilities of the multivariate statistical approaches of Principal Component Analysis (PCA) and Partial Least Squares (PLS) regression were evaluated on the Klinthagen bore d
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Vitale, Raffaele. "Novel chemometric proposals for advanced multivariate data analysis, processing and interpretation." Doctoral thesis, Universitat Politècnica de València, 2017. http://hdl.handle.net/10251/90442.

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The present Ph.D. thesis, primarily conceived to support and reinforce the relation between academic and industrial worlds, was developed in collaboration with Shell Global Solutions (Amsterdam, The Netherlands) in the endeavour of applying and possibly extending well-established latent variable-based approaches (i.e. Principal Component Analysis - PCA - Partial Least Squares regression - PLS - or Partial Least Squares Discriminant Analysis - PLSDA) for complex problem solving not only in the fields of manufacturing troubleshooting and optimisation, but also in the wider environment of multiva
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Larsson, Daniel. "Multivariat dataanalys för att undersöka skillnader i undervisnings- och bedömningspraxis i kursen kemi 2." Thesis, Linnéuniversitetet, Institutionen för didaktik och lärares praktik (DLP), 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-70394.

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Trots att det inom forskningsvärlden propageras för formativ bedömning, kan man i dagsläget notera en mycket stor variation gällande införlivandet av, samt effekter av, formativ bedömning i skolor. Metoder för att kartlägga formativ bedömningspraxis fordras för att kunna särskilja på ”god” respektive ”mindre god” formativ bedömningspraxis. Syftet med föreliggande uppsats var att, med hjälp av en elevenkät och multivariata projektionsmetoder såsom PCA och PLS-DA, kartlägga, och särskilja, formativ bedömningspraxis hos sex olika gymnasieklasser som genomfört kursen kemi 2. Ett sekundärt syfte va
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43

Lewis, James B. "Identifying Key Determinants of Service Provider Effectiveness and the Impact it has on Outsourced Security Success." Thesis, Nova Southeastern University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3740265.

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<p> The purpose of this research was to identify key determinants of service provider effectiveness and how it impacts outsourced security success. As environments have become more robust and dynamic, many organizations have made the decision to leverage external security expertise and have outsourced many of their information technology security functions to Managed Security Service Providers (MSSPs). </p><p> Information Systems Outsourcing, at its core, is when a customer chooses to outsource certain information technology functions or services to a service provider and engages in a legal
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44

Günther, Thomas, and Heike Moses. "Faktoren für eine erfolgreiche Steuerung von Patentaktivitäten." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1158060347086-06372.

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Empirischen Studien zufolge können Patente sich positiv auf den Unternehmenserfolg auswirken. Allerdings wirkt dieser Effekt nicht automatisch, sondern Unternehmen müssen sich um den Aufbau und die gesteuerte Weiterentwicklung eines nachhaltigen und wertvollen Patentportfolios bemühen. Bisher ist jedoch nicht wissenschaftlich untersucht worden, welche Maßnahmen Unternehmen ergreifen können, um die unternehmensinternen Vorraussetzungen für eine erfolgreiche Steuerung von Patentaktivitäten zu schaffen. Um diese betrieblichen Faktoren zu identifizieren und deren Relevanz zu quantifizieren, wurden
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Palací, López Daniel Gonzalo. "Quality by Design through multivariate latent structures." Doctoral thesis, Universitat Politècnica de València, 2019. http://hdl.handle.net/10251/115489.

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La presente tesis doctoral surge ante la necesidad creciente por parte de la mayoría de empresas, y en especial (pero no únicamente) aquellas dentro de los sectores farmacéu-tico, químico, alimentación y bioprocesos, de aumentar la flexibilidad en su rango ope-rativo para reducir los costes de fabricación, manteniendo o mejorando la calidad del producto final obtenido. Para ello, esta tesis se centra en la aplicación de los conceptos del Quality by Design para la aplicación y extensión de distintas metodologías ya exis-tentes y el desarrollo de nuevos algoritmos que permitan la implementación
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46

Barceló, Cerdá Susana. "Estudio de la integración de procedimientos multivariantes para la regulación óptima y monitorización estadística de procesos." Doctoral thesis, Universitat Politècnica de València, 2016. http://hdl.handle.net/10251/63442.

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[EN] Statistical Process Control (SPC) and the Automatic Process Control (APC) are two control philosophies have evolved independently until recently. The overall objective of both APC and SPC is to optimize the performance of processes, reducing the variability of the resulting characteristics around the desired values. The fundamentals of the two disciplines arise from the idea that the whole process has operation variations. These variations may affect, to a greater or lesser extent, the final product quality and the process productivity. The two methodologies conceptualize processes and co
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47

Vieira, Catarina Augusto Pires. "Motivações rurais, autenticidade e intenções comportamentais dos turistas." Master's thesis, Instituto Superior de Economia e Gestão, 2021. http://hdl.handle.net/10400.5/23353.

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Mestrado Bolonha em Marketing<br>O desafio é desenvolver estratégias que criem perceções positivas aos turistas, induzindo estímulos para revisitar e recomendar destinos turísticos rurais, contribuindo para a sustentabilidade do mundo rural, para a estabilidade e bem-estar pessoal das comunidades de receção e dos turistas e para a maior coesão territorial. A realização deste desafio alcança-se pela valorização da autenticidade dos destinos rurais. O objetivo da presente dissertação consiste em desenvolver um modelo explicativo da influência da autenticidade existencial nas intenções comporta
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48

Andersson, David. "Multivariate design of molecular docking experiments : An investigation of protein-ligand interactions." Doctoral thesis, Umeå universitet, Kemiska institutionen, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-35736.

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To be able to make informed descicions regarding the research of new drug molecules (ligands), it is crucial to have access to information regarding the chemical interaction between the drug and its biological target (protein). Computer-based methods have a given role in drug research today and, by using methods such as molecular docking, it is possible to investigate the way in which ligands and proteins interact. Despite the acceleration in computer power experienced in the last decades many problems persist in modelling these complicated interactions. The main objective of this thesis was t
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49

Hannes, Egon Martins. "Gestão de projetos de P&D no IPEN: diagnóstico e sugestões ao Escritório de Projetos (PMO)." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/85/85133/tde-30042015-092821/.

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O presente trabalho pretende entender a dinâmica do gerenciamento de projetos no IPEN. Para tal, decidiu-se pela pesquisa junto a literatura acadêmica de modelos que pudessem servir de base e que após modificações e ajustes pudessem refletir a realidade dos projetos de Institutos Públicos Pesquisa & Desenvolvimento. Após tratamento estatístico dos dados algumas hipóteses foram validadas e demonstraram sua influência positiva no desempenho do gerenciamento do projeto, tais como a influência das pessoas que compõem as equipes, o efeito da liderança, dentre outras. O modelo, inclusive mostrou-se
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50

Aroge, Olatunde O. "Assessment Of Disruption Risk In Supply Chain The Case Of Nigeria’s Oil Industry." Thesis, University of Bradford, 2018. http://hdl.handle.net/10454/17396.

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evaluate disruption risks in the supply chain of petroleum production. This methodology is developed to formalise and facilitate the systematic integration and implementation of various models; such as analytical hierarchy process (AHP) and partial least squares structural equation model (PLS-SEM) and various statistical tests. The methodology is validated with the case of Nigeria’s oil industry. The study revealed the need to provide a responsive approach to managing the influence of geopolitical risk factors affecting supply chain in the petroleum production industry. However, the explorati
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