Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 20 for “"Individual Observations"”.
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Alternativy nejmenších čtverců
… point, which deal with signifi- cance of the individual observations (least weighted squares) and elimination of outlying obser- vations (least trimmed squares). The main purpose of this work is to describe and compare these models, their assumptions, characteristics, properties of estimates …
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Supporting students in higher education through relational augmentation
… techniques included a focus group, a two phase individual interview process, a two phase individual survey completion process, document reviews, and individual observations. During Cycle 3 as part of an action research project I implemented the student/staff community process, which encouraged …
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Adaptive Functional Data Analysis
Statistical methods that adapt to individual observations or unknown population structures are attractive due to both numerical and theoretical advantages over their non-adaptive counterparts. In this thesis, we contribute to adaptive modeling of functional data, focusing on the fundamental aspects …
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A Random-Linear-Extension Test Based on Classic Nonparametric Procedures
… methods depend on the ranks or orderings of the individual observations. This dissertation develops methods for the situation when there is only partial information about the ranks available. A random-linear-extension exact test and an empirical version of the random-linear-extension test are …
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Geographic and Social Space in Latent Factor Models - Four Essays
… is vital: They all cause dependency between individual observations, violating assumptions of independence and exchangeability. While this can be problematic and inhibit the unbiased inference of parameters, it can also be a fruitful source of insights and enhance prediction performance. One …
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The Southern Ocean meridional overturning circulation as diagnosed from an eddy permitting state estimate
… function compares the model state to in situ observations (Argo float profiles, CTD synoptic sections, SEaOS instrument mounted seal profiles, and XBTs), altimetric observations (ENVISAT, GEOSAT, Jason, TOPEX/Poseidon), and other data sets (e.g. infrared and microwave radiometer observed sea …
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Some Contributions to Tolerance Intervals and Statistical Process Control
… sense. However, in applications where the individual observations are to be monitored or controlled, the normality assumption is not always satisfied. In addition, for high dimensional data, the normality is rarely, if ever, satisfied. The existing tolerance intervals for exponential random …
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The Effects of Teachers' Flow Experiences on the Cognitive Engagement of Students
… from a total of 190 classes, generating 5047 individual observations on students cognitive engagement. Multiple regression analysis was then used to address the following two research questions: 1. Are there differences in the cognitive engagement of students when their teachers are …
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The southern ocean meridional overturning circulation as diagnosed from an eddy permitting state estimate
… function compares the model state to in situ observations (Argo float profiles, CTD synoptic sections, SEaOS instrument mounted seal profiles, and XBTs), altimetric observations (ENVISAT, GEOSAT, Jason, TOPEX/Poseidon), and other data sets (e.g. infrared and microwave radiometer observed sea …
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A robust estimation method of location and scale with application in monitoring process variability
… of multivariate process variability based on individual observations. Besides that, to construct a more sensitive Phase II operation, both Wilks’ W statistic and Djauhari’s F statistic are used. Both statistics have different distributions and is used to measure the effect of an additional …
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First evidence for vector boson fusion produced Higgs boson in the WW* decay channel and search for extended Higgs sector
… within the uncertainty of the measurements. Individual observations of the Higgs boson production and decay channels are crucial in further confirming beyond a doubt that this is indeed the Standard Model Higgs boson. This thesis presents the first evidence for the vector boson fusion (VBF) …
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Reality hedging : social system approach for understanding economic and financial dynamics
… large economic and financial social systems from individual levels to city levels. Many connections between financial dynamics with social dynamics were examined. I also focus on results and findings that can be used to build resilient and productive economic systems, and can be used to hedge out …
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Model comparison and assessment by cross validation
… quickly eliminated. By exploiting matching of individual observations, it is sometimes even possible to establish the statistically significant inferiority of some models with just one execution of CV. This adaptive and computationally efficient methodology is demonstrated on a large …
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Topics in Tree-Based Methods
… to tree-based methods, Chapter 3 describes Individual Conditional Expectation (ICE) plots, a methodology for visualizing the model estimated by any supervised learning algorithm. Classical partial dependence plots (PDPs) help visualize the average partial relationship between the predicted …
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Visual attention models for far-field scene analysis
… In the first, we model the pattern of individual observations (instances) of moving objects at each scene location as a mixture of Gaussians. In the second approach, we model the pattern of sequences of observations -- tracks -- by grouping them into clusters.We employ a similarity …
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Availability of essential medicines for chronic disease vs. communicable disease in Kenya as an indicator of age-related inequities in access
… collection forms, but not reported. No data on individual patients was collected, and no patients were interviewed for this survey. Data were entered into an Excel file and exported to and analyzed with SPSS. Results: A total of 56 facilities were surveyed: 49 in the public sector and 7 in the …
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Surface forcing of the North Atlantic: accuracy and variability
… using Voluntary Observing Ship (VOS)<br/>observations. Whilst important drivers of the global oceanic and atmospheric circulation<br/>these fluxes remain poorly quantified, both in terms of mean value and uncertainty. The<br/>new methodology addresses both of these issues and is extensible …
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Essays on Development in Sub-Saharan African Countries
… criterions to define the cohorts and replace the individual observations with the intra-cohort means. Individual time-invariant factors that influencing both education and consumption are transformed into cohort time-invariant factors, within transformation on the pseudo panel would eliminate such …
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Essays on transport economics
… collection method. More than 19,000 microdata observations were analyzed and described, and these provided the main substance of the database. This preliminary analysis combined with a literature review help properly address the research question in two ways. First, it helped check the …