Authors: Elysia Garcia, Subhash Aryal, Emily Spence-Almaguer, Danielle Rohr, Scott T. Walters ABSTRACT Item Response Theory (IRT) models have been extensively used in the field of education to identify link between a response to a test item and underlying latent … Continue reading
Authors: Kiyotaka Iki, Masayuki Okada, Sadao Tomizawa ABSTRACT The purpose of this paper is to propose a new model of asymmetry for square contingency tables with ordered categories. The new model may be appropriate for a square contingency table if … Continue reading
Author: Arjun Banerjee ABSTRACT In this paper I present a novel polynomial regression method called Finite Difference Regression for a uniformly sampled sequence of noisy data points that determines the order of the best fitting polynomial and provides estimates of … Continue reading
Authors: Rajesh Kumar Gupta, Subhash Kumar Yadav ABSTRACT One of the aims in survey sampling is to search for the estimators with highest efficiency. In the present paper, three improved estimators of population mean have been proposed using some non-traditional … Continue reading
Authors: Duncan K. H. Fong, Qian Chen, Zhe Chen, Rui Wang ABSTRACT The authors propose new Bayesian models to obtain individual-level and time-varying regression coefficients in longitudinal data involving a single observation per response unit at each time period. An … Continue reading
Author(s): Wuyuan Sun, Jiayun Ma ABSTRACT This thesis is to study spatial effect of education output on economic growth through the use of spatial measurement technique. According to the study: there’s the presence of spatial spillover effects in human capital, … Continue reading
Author(s)：Aloy Chijioke Onyeka, Chinyeaka Hostensia Izunobi, Iheanyi Sylvester Iwueze ABSTRACT Extending the work carried out by [1], this paper proposes six combined-type estimators of population ratio of two variables in post-stratified sampling scheme, using variable transformation. Properties of the proposed … Continue reading