In survey research, it is often problematic to ask people sensitive questions because they may refuse to answer or they may provide a socially desirable answer that does not reveal …
KH Pho, S Ly, S Ly, TM Lukusa - Journal of Advanced Engineering and …, 2019 - jaec.vn
When doing research on scientific issues, it is very significant if our research issues are closely connected to real applications. In reality, when analyzing data in practice, there are …
TM Lukusa, SM Lee, CS Li - Metrika, 2016 - Springer
Zero-inflated Poisson (ZIP) regression models have been widely used to study the effects of covariates in count data sets that have many zeros. However, often some covariates …
SM Lee, KH Pho, CS Li - Journal of Statistical Planning and Inference, 2021 - Elsevier
A zero-inflated Bernoulli (ZIBer) regression model is an alternative model in order to improve fitting the binary outcome data that have many more zeros than expected under a regular …
When overdispersion and zero-inflated feature are both concerned, Zero-inflated negative binomial (ZINB) model tends to be more appropriate than the popular Zero-inflated Poisson …
KH Pho, TDC Ho, TK Tran, WK Wong - Expectation and Variance of …, 2019 - papers.ssrn.com
Statistics have been widely used in many disciplines including science, social science, business, engineering, and many others. One of the most important areas in statistics is to …
SM Lee, TM Lukusa, CS Li - Computational Statistics, 2020 - Springer
Zero-inflated Poisson (ZIP) regression is widely applied to model effects of covariates on an outcome count with excess zeros. In some applications, covariates in a ZIP regression …
The main purpose of this work is to investigate different levels of damage that occur on rubber–textile conveyor belts. The conveyor belt damage depends on the heterogeneity of …
The existence of potential incomplete truthful reporting emerges when dealing with topics of great sensitivity. This paper introduces a novel, efficient randomized response model to …