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 99 for “"Kolmogorov-Smirnov"”.
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Kolmogorov-Smirnov test for grouped data
Herein is presented a Kolmogorov-Smirnov test for grouped samples. It constitutes an application of W. J. Conover's procedure, which was originally designed for calculating exact critical levels for test with discrete distributions. This test extends the goodness-of-fit test to samples which are …
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Nonparametric statistical procedures for therapeutic clinical trials with survival endpoints
… nonparametric statistical tests, based on the Kolmogorov-Smirnov distance and L2 mallows disatnce. To implement the proposed tests, nonparametric bootstrap method is employed to approximate the distributions of the test statistics to construct the corresponding bootstrap confidence interval …
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Parameter estimation for a two-state semi-Markov model of a univariate point process.
… intervals was estimated by the periodogram and a Kolmogorov-Smirnov test of fit was conducted. The asymtotic exponential distribution and independence of the periodogram points were used to calculate an approximate likelihood function. A system of equations was then formed to find the maximum …
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Topics on the estimation of small probabilities
… situations are given. In Part II we consider the Kolmogorov-Smirnov one-sample statistic. Various methods for calculating the Kolmogorov-Smirnov one-sample statistics have been developed in the literature. A transformation of an approximation method is here derived and some of its properties …
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RECONSTRUCTING PAST ANTARCTIC ICE FLOW PATHS IN THE ROSS EMBAYMENT, ANTARCTICA USING SAND PETROGRAPHY, PARTICLE SIZE AND DETRITAL ZIRCON PROVENANCE
… ice flow paths. Statistical analyses using the Kolmogorov-Smirnov (K-S test) reveal that EA and WA zircon age distributions are distinct at a P-value <0.05. This makes it possible to trace the unique signatures from EA and WA into the Ross Sea.
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Language identification by statistical analysis.
… of various vowel-consonant relationships and the Kolmogorov-Smirnov Goodness of Fit Test an identification system was defined that provided a significance level of .0077 for a sample of 107 letters (approximately 21 words). Investigation also showed that the space rate or the interword structure …
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Methods of Nonparametric Multivariate Ranking and Selection
… we make use of a multivariate version of the Kolmogorov-Smirnov Statistic for making selections.</p>
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Belső kontrollrendszerek intézményesülése hazai üzleti szervezetekben = Institutionalization of internal control systems in Hungarian business organizations
… és faktorelemzést, normalitásvizsgálatot Kolmogorov-Smirnov módszerrel, melyek eredményeit mellékeltem disszertációmhoz.
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Cheias: análise de frequências e regionalização de quantis
… of the functions to the data, the Chi-Square, Kolmogorov-Smirnov and some split-record testing have been used. A multiple-regression model and the Wakeby distribution have been also used to regionalize the quantiles for some return periods, to establish a flood frequency curve at sites where no …
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Delay analysis of Pacific Fleet Underway Replenishments
… derived, and tested for goodness-of-fit with the Kolmogorov-Smirnov test. Delay as a function of the following UNREP attributes is analyzed: supply ship class, receiver ship type, time: day or night, location: EASTPAC or WESTPAC, simultaneous receivers or a single receiver, delivery method, …
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Análise de campos profundos da LMC imageados com o HST
… entre os campos como sugerido através do teste Kolmogorov-Smirnov aplicados as funções de luminosidade. Finalmente, derivamos perfis de densidade para estrelas velhas e de idade intermediária. O primeiro apresenta uma inclinação levemente maior quando comparado com o último.
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Benford's law and humanly generated prices in auction houses and buyout systems of virtual worlds
… Kuiper's goodness of fit V_n test, a modified Kolmogorov-Smirnov test.
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A study of probability distributions of DCT coefficients in JPEG compression
… the three derived models is evaluated using the Kolmogorov-Smirnov and [chi]^2 goodness-of-fit tests, and the moments of the best-fit model are derived. The best-fit model is applied to detect the presence and extent of JPEG compression history in bitmap images. A model for all quantized AC block …
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Relación entre inteligencia intrapersonal y felicidad en adultos emergentes de Lima Metropolitana
… normalidad de los datos a través de la prueba de Kolmogorov-Smirnov y, por último, se realizaron las correlaciones utilizando el coeficiente de Pearson. Los resultados obtenidos reportan que no existe asociación entre la inteligencia intrapersonal y la felicidad como variable general; sin embargo, …
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Nonparametric testing for random effects in mixed effects models based on the piecewise linear interpolate of the log characteristic function
… were compared with the empirical powers from Kolmogorov-Smirnov test under two venues, the first one assuming the variance of the random errors is less than the variance of the random effects distribution and the second one assuming the contrary. The method was proved to be square root n …
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Benford’s law and electoral integrity: A forensic analysis of African elections
… complementary statistical measures (chi-square, Kolmogorov-Smirnov, Mean Absolute Deviation, and p-value tests). The results indicate that while BL can flag irregularities in election data, its limitations as a standalone tool necessitate caution. False positives may arise due to legitimate data …
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PROBABILISTIC MODELS FOR DEPENDENT VARIABLES: COMPLEX ANALYTIC AND COMBINATORIAL APPROACHES
… we obtain quantitative decay estimates for the Kolmogorov-Smirnov distance between a real-valued random variable X and a Gaussian under the condition that the characteristic function of X does not vanish only in a bounded disk. This leads to a quantitative CLT applicable to very general and …
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Enhancing productivity in agricultural packing operations through TPM and lean manufacturing: a case study of asparagus processing in Peru
… as input data for the validation model, using Kolmogorov- Smirnov and Chi-square statistical tests to define the distributions of the times under study. The proposed model, validated using Arena software, demonstrated a 21% increase in packaging productivity, a 36 kg/H- H-H improvement in labor …
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Object Detection and Size Determination of Pineapple Fruit at a Juicing Factory
… manual measurements using two-sample Z-tests and Kolmogorov–Smirnov (KS) tests. There was sufficient similarity between the distributions, and it was therefore established that the reported method is appropriate for pineapple size determination in this context. All the data and code is available …
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The relationship between journal use in a medical library and citation use
… citation age distributions was examined by using Kolmogorov-Smirnov goodness of fit tests. The t-test was used to test the difference of use half-life and citation half-life. Comparisons were also made for the four subject categories, namely, (A) clinical medicine journals; (B) life science …
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