Journal of Statistical Theory and Practice
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An Unequal Probability Scheme for Improving Anonymity in Shared Key Operations
Journal of Statistical Theory and Practice - Tập 8 - Trang 100-112 - 2014
We propose a new unequal probability scheme for shared key operations. It is seen that this scheme improves upon the values of anonymity measures, as quantified via appropriate conditional probabilities, over the existing ones, which are based on equal probability selection.
Statistical Testing Procedure for the Interaction Effects of Several Controllable Factors in Two-Valued Input-Output Systems
Journal of Statistical Theory and Practice - Tập 8 - Trang 546-557 - 2014
Suppose several two-valued input-output systems are designed by setting the levels of several controllable factors. For this situation, the Taguchi method has proposed assigning the controllable factors to the orthogonal array and using analysis of variance (ANOVA) for the standardized signal-noise (SN) ratio, which is a natural measure for evaluating the performance of each input-output system. T...... hiện toàn bộ
An Optimal Two-Stage Procedure to Select the Best out of a Normal Population
Journal of Statistical Theory and Practice - Tập 13 - Trang 1-6 - 2018
In selecting a candidate with the largest expectation
$$\mu_{k}$$
(the best one) from a huge number a of candidates or let us say populations
$$P_{k}$$
...... hiện toàn bộ
Reproducibility of Statistical Tests Based on Randomised Response Data
Journal of Statistical Theory and Practice - - 2024
Estimating the Second-Order Parameter of Regular Variation and Bias Reduction in Tail Index Estimation Under Random Truncation
Journal of Statistical Theory and Practice - Tập 13 - Trang 1-33 - 2018
In this paper, we proposed an estimator of the second-order parameter of randomly truncated Pareto-type distributions data and establish its consistency and asymptotic normality. Moreover, we derive an asymptotically unbiased estimator for the tail index and study its limit distribution. We show, by simulation, that the proposed estimators behave well, in terms of bias, root mean square error and ...... hiện toàn bộ
Nonparametric Predictive Inference With Combined Data Under Different Right-Censoring Schemes
Journal of Statistical Theory and Practice - Tập 9 - Trang 288-304 - 2015
This article presents nonparametric predictive inference (NPI) for meta-analysis in which multiple independent samples of lifetime data are combined, where different censoring schemes may apply to the different samples. NPI is a frequentist statistical approach based on few assumptions and with uncertainty quantified via lower and upper probabilities. NPI has the flexibility to deal with a mixture...... hiện toàn bộ
Robust Estimator of Conditional Tail Expectation of Pareto-Type Distribution
Journal of Statistical Theory and Practice - Tập 15 - Trang 1-12 - 2021
In this paper, we use the extreme value index estimator, called the t-Hill, to derive a robust estimator of conditional tail expectation (CTE) in the case of heavy-tailed losses. The CTE is rapidly turning into the favored measure for statutory assessment of the balance sheet at whatever point true stochastic techniques are utilized to fix the provisions for risks. Under the extreme value methodol...... hiện toàn bộ
Statistical estimation in the presence of possibly incorrect model assumptions
Journal of Statistical Theory and Practice - Tập 11 - Trang 449-467 - 2017
The estimation problem of a parameter of interest when some model assumptions may be incorrect is considered. The parameter of interest is defined in a model-independent manner and the estimating procedure selects a model with the smallest mean square error (MSE) as estimated by a proposed MSE estimator. This proposed MSE estimator combines both a nonparametric bootstrap and plug-in estimation in ...... hiện toàn bộ
Classification With Support Vector Machines and Kolmogorov-Smirnov Bounds
Journal of Statistical Theory and Practice - Tập 8 - Trang 297-318 - 2014
This article presents a new statistical inference method for classification. Instead of minimizing a loss function that solely takes residuals into account, it uses the Kolmogorov-Smirnov bounds for the cumulative distribution function of the residuals, as such taking conservative bounds for the underlying probability distribution for the population of residuals into account. The loss functions co...... hiện toàn bộ
Frequentist-Bayes Lack-of-Fit Tests Based on Laplace Approximations
Journal of Statistical Theory and Practice - Tập 3 - Trang 681-704 - 2009
The null hypothesis that all of a function’s Fourier coefficients are 0 is tested in frequentist fashion using as test statistic a Laplace approximation to the posterior probability of the null hypothesis. Testing whether or not a regression function has a prescribed linear form is one application of such a test. In contrast to BIC, the Laplace approximation depends on prior probabilities, and hen...... hiện toàn bộ
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