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 42 for “"Comparison of Methods"”.
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Non-renewable resource price forecasting: a comparison of methods
… 1980's have brought into question the ability of currently available forecasting models to predict non-renewable resource prices. This thesis compares two types of forecasting models used to predict non-renewable resource prices. Each model is assessed based upon theoretical and practical …
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Rescoring the Montana Risk Assessment Instrument: A Comparison of Methods
The purpose of this research is to examine alternate ways to add meaningful weights to the risk factors on the Montana Risk Assessment Instrument (RAI). An evaluation is made which compares the predictive accuracy of a revised scoring system compared to the one that is currently in use. The data …
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Rescoring the Montana Risk Assessment Instrument: A Comparison of Methods
The purpose of this research is to examine alternate ways to add meaningful weights to the risk factors on the Montana Risk Assessment Instrument (RAI). An evaluation is made which compares the predictive accuracy of a revised scoring system compared to the one that is currently in use. The data …
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Equilibration of a scalar field theory: a comparison of methods
… In such heavy ion collisions a new state of matter called the Quark Gluon Plasma (QGP) is formed where, in this state, quarks are no longer confined to hadrons but are free to move about. Studying this state is expected to lead to a far greater understanding of QCD as this is the only …
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Fourier pricing of two-asset options: a comparison of methods
Fourier methods form an integral part in the universe of option pricing due to their speed, accuracy and diversity of use. Two types of methods that are extensively used are fast Fourier transform (FFT) methods and the Fourier-cosine series expansion (COS) method. Since its introduction the COS …
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A comparison of methods for evaluating aggregate stability of mountain soils
A comparison of three methods -- Middleton dispersion ratio, wet sieving, and waterdrop impact -- of testing aggregate stability was made. Soil samples were selected from 9 sites representing a wide variety of great soil groups in the Colorado Front Range of the Rocky Mountains at elevations …
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Comparison of methods for determining bulk specific gravity of Hma specimens
In this study, bulk specific gravity measurements of coarse graded Hot Mix Asphalt were conducted using two methods, Parafilm(TM) and Corelok(TM). The measurements were compared for similarity and repeatability of results. The comparisons were made on two sets of specimens, unrutted and rutted …
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A Comparison of Methods of Administering Modified Pull-Ups for Girls
The purpose of this study was to find a method of administering pull-ups for girls that would be as accurate as the Gay Apparatus.
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Predicting South Africa 's true marine biodiversity : a comparison of methods
The aims of this thesis are to estimate how many marine species remain to be described in this region and which areas are most in need of additional sampling effort.
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A comparison of methods for the registration of tractographic fibre images
… and are allowing previously unexplored areas of neuroanatomy and function to be researched.
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Comparison of methods for evaluating impacts of aviation noise on communities
… poses a significant threat to the future of these procedures in the U.S. National Airspace System. A substantial number of complaints concerning airport noise come from locations outside the 65dB Day-Night Level (DNL) contour considered the significant noise exposure threshold in U.S. …
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Intensive sampling and comparison of methods in detection of non-indigenous species
… grows to a detectable level. Management of the NIS during the lag phase provides a better opportunity for eradication than at later stages when the population is larger and established. However, low population density limits detection by conventional methods. Here I tested the effect of …
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Comparison of Methods for Estimating Instantaneous Turn Radius of Ackermann Steering Vehicles
<p>The instantaneous turn radius of an Ackermann steering vehicle is the distance to a point in space about which the vehicle will travel in an arc during a turn. There are at least six ways to estimate instantaneous turn radius and each method uses different inputs and has distinct advantages and …
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A Comparison of Methods for Generating Bivariate Non-normally Distributed Random Variables
Many distributions of multivariate data in the real world follow a non-normal model with distributions being skewed and/or heavy tailed. In studies in which multivariate non-normal distributions are needed, it is important for simulations of those variables to provide data that is close to the …
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A comparison of methods for promoting geographic knowledge in simulated aircraft navigation
… is a potentially dangerous problem for all types of pilots under all types of flight conditions. The problem is even more serious for helicopter pilots who often fly at low altitudes and who must be precisely aware of their location with respect to obstructions in their environment. Any pre-flight …
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A comparison of methods for modelling rates of withdrawal from insurance contracts
… because withdrawal is influenced by a number of inter-related factors related to, inter alia, the sales process, characteristics of the insurance contract, characteristics of the contract holder, and economic variables. Existing methods used to model and predict withdrawal rates are initially …
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A comparison of methods for analysing interval-censored and truncated survival data
This thesis examines three methods for analysing right-censored data: the Cox proportional hazards model (Cox, 1972), the Buckley-James regression model (Buckley and James, 1979) and the accelerated failure time model. These models are extended to incorporate the analysis of interval-censored and …
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A Comparison of Methods for Seriation and Unidimensional Scaling of Asymmetric Proximity Data
Scaling and seriation of objects have a long history in psychology, anthropology, and statistics. Data in the form of asymmetric proximity matrices occur when we have observations from paired comparisons, round-robin tournaments, and networks. Skew-symmetric matrices are obtained by taking the …
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