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 359 for “"Tukey"”.
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Robustness And Power Comparison Of The Mood-Westenberg And Siegel-Tukey Tests
… dispersion test (1948) and the Siegel-Tukey test (1960) would remain robust with respect to Type I and Type II error properties (and associated power levels) for detecting variance changes when their assumptions of equal means was slightly violated (i.e., the Behrens-Fisher problem). …
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Topological Ramsey Spaces, Associated Ultrafilters, and Their Applications to the Tukey Theory of Ultrafilters and Dedekind Cuts of Nonstandard Arithmetic
… theory, the model theory of arithmetic, and the Tukey theory of ultrafilters. The main results are broken into three parts.</p> <p>In the first part, we identify some new partition relations among finite trees and use them to answer an open question of Dobrinen; namely, "for n < omega, are the …
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Comparison of color accuracy of commercial digital cameras and cellular phonecameras for laboratory purposes
… DeltaE values were analyzed by one-way ANOVA and Tukey HDS test. For both the color patches and the shade tabs, the canon way EOS 30D demonstrated the lowest DeltaE value. Regarding the 24 color patches, The Tukey HDS test shows that the Nikon D700, the Canon EOS 30D and the Galaxy S3 cameras were …
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Efecto de diferentes dosis de NPK en el rendimiento agroindustrial en caña planta de la variedad L 68-40 (Saccharum sp.), sobre suelos vertisoles
… además se realizó la separación de medias según Tukey al1 y 5% de margen de error. En todas las variables evaluadas se observó diferencia significativa a excepción de: Rendimiento Industrial, Brotación. El nitrógeno resulto ser el nutriente que presenta mayor influencia positiva y a la vez …
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On paracompactness
… views. The starting point is the work of Tukey [40]. The important problem of the metrization of topological spaces is presented as an application of the concept of paracompactness.
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Evaluación de quimicos, solarización y agua caliente contra Rhizoctonia solani kuhn en semilleros de cafe (Coffea arabica L.)
… agua caliente, dazomet y testigo según Tukey al 5 %. Se detectaron diferencias significativas en la interacción substrato * tratamiento para la variable emergencia; sin embargo Tukey al 5 % no detecta diferencias significativas. Se encontró diferencias significativas entre substratos, …
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Efecto de diferentes frecuencias de corte sobre la producción de materia seca del pasto Brachiaria brizantha cv. Marandú CIAT 6780, en época de verano, zona del Pacífico de Nicaragua.(Managua)
… de varianza y prueba de rangos múltiples (Tukey y Duncan) mostraron que las frecuencias de corte no tuvieron diferencias estadísticas (0.01>P<0.05) sobre la producción de materia seca , número de macolla, diámetro de macolla y materia verde. El mejor rendimiento de materia seca se obtuvo en …
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Identification of Host Fish and Experimental Culture of Juveniles for Selected Freshwater Mussel Species in Virginia
… survival in the bed culture system (P< 0.01, Tukey-Kramer). However, mussels grown in the bed system exhibited significantly greater growth (1.4 ± 0.50 mm height, 1.8 ± 0.76 mm length) than those grown in the dish system (0.86 ± 0.19 mm height, 1.1 ± 0.27 mm length) (P<0.01, Tukey-Kramer). …
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Evaluación de la producción de biomasa en base a materia verde y seca y proteína bruta del pasto Panicum maximum, Jacq, cv. colonial sometido a tres frecuencias de corte en la zona seca de Managua, Nicaragua
… condiciones y prueba de separación de medias de Tukey, realizando tres cortes con cuatro frecuencias utilizadas. Los resultados obtenidos indican que no existen diferencias significativas para la interacción pasto-frecuencia de corte y sí existe diferencias altamente significativa (P<0.05) para …
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Physical and Biologic Properties of Calcium Silicate Endodontic Sealers
… water for 24 hours. 3-way ANOVA and post-hoc Tukey test were used to analyze cell viability. 1-way ANOVA and post-hoc Tukey test were used to analyze microhardness. Kruskal-Wallis and Dunn’s multiple comparison test were used to analyze solubility. RESULTS: BC Sealer had the highest mean cell …
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The effects of a trade book on attitudes and achievement in social studies
… were used. An analysis of variance and the Tukey HSD multiple comparison procedure were used to determine how the four sections differed in attitude toward social studies and which differences were significant.There was no significant difference in mean social studies achievement gains …
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Multichannel maximum entropy method of spectral analysis applied to offshore structures
… and compared with the conventional Blackman-Tukey method. These are (1) a direct on the data or Burg method and (2) a Yule-Walker or correlation function extension method. Cross-spectral estimates of magnitude, phase, coherence squared, and transfer function are calculated. These estimates …
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Caracterización y evaluación preliminar de veinticuatro lineas de frijol común (Phaseolus vulgaris L.) en el Centro Experimental "La Compañía" Carazo
… fue el ANDEVA, separación de medias por Tukey al 95% de confianza y análisis descriptivo para los 9 caracteres cuantitativos de la caracterización. Las variables fenológicas resultaron con una alta significancia, demostrando un comportamiento de precoz a intermedio, cumpliendo su ciclo en …
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Portfolio constuction using robust weight functions
… these shares perform very well. The Huber and Tukey Bisquare weights are considered in this project to enhance these models in capturing these outlying observations. The Huber weights in the Improved Sharpe (Troskie-Hossain) Single Index model are found to be giving a better and more realistic …
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Verifying Correctness of the Number Theoretic Transform and Fast Number Theoretic Transform in F⋆
… We provide an implementation of the Cooley-Tukey fast NTT algorithm and a proof that it matches the original NTT specification. This thesis also presents a representation of polynomials in the F⋆ subset Low*, which extracts to performant C code.
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Causal attributions, self-monitoring, and gender differences among four virginity status groups
… and interactions) were then calculated using the Tukey B test.Results indicated that 1) self-monitoring and virginity status were not correlated although male subjects were significantly higher in self-monitoring than were female subjects. 2) Although univariate analyses revealed significant …
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Advanced Orthogonal Frequency-Division Multiplexing Systems with Cyclic Prefix-Less Multiple-Input and Multiple-Output Discrete Fourier Transform Spreading and Unmanned Aerial Vehicles-Assisted Cyclic Postfixed Windowed Schemes
… Walsh-Hadamard coding, and PAPR reduction with Tukey (tapered cosine) time-domain windowing techniques. This combination of mechanisms provides an effective combination of benefits related to Bit Error Rate (BER), PAPR, Complementary Cumulative Distribution Function (CCDF) of PAPR, and OOB …
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Effects Of Alpha-GPC and Huperzine-A On Short Term Memory, Anaerobic Power Output, Post Exhaustion Compared To Caffeine And Placebo In Healthy College Age Students
… was found with an Alpha level P ≤ 0.05 with Tukey Post Hoc analysis will be used to determine pairwise comparisons. All stats were run on IBM SPSS 23. Results: The ANOVA with repeated measures and Tukey Post Hoc analysis found there was no significant difference in performance pre to post, …
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Propagação de potenciais porta-enxertos de pessegueiros por estacas lenhosas com auxílio de AIB
… variância e as médias comparadas pelo teste de Tukey e Scoot-Knott a 5% de probabilidade. Para as variáveis que obtiveram significância apenas para o fator AIB, foi utilizado o teste de Tukey. As variáveis que obtiveram significância quanto ao fator genótipo, foi aplicado o teste de Scott-Knott. …
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