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Jeongcheol Ha

Observed names: Jeong-Cheol Ha, 하정철
Institution: Keimyung University
ORCID: 0000-0002-4069-3433
Observed ORCID: 0000-0002-4069-3433
OpenAlex ID: A5072413181
The Cusum Test for Parameter Change in Time Series Models
2003 · Sangyeol Lee, Jeongcheol Ha, et al. · Scandinavian Journal of Statistics · 219
The influence of smartphone addiction on mental health, campus life and personal relations - Focusing on K university students
2012 · Hyun-Seok Choi, Hyun-Kyung Lee, et al. · Journal of the Korean Data and Information Science Society · 158
A study on the factors affecting the life satisfaction of the elderly
2012 · Hyun-Seok Choi, Jeong-Cheol Ha · Journal of the Korean Data and Information Science Society · 10
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A study on the relations between the quality of life and the life satisfaction of the elderly
2012 · Hyun-Seok Choi, Jeong-Cheol Ha · Journal of the Korean Data and Information Science Society · 8
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A Study on the factors inducing internet addiction of college students
2011 · Hyun-Seok Choi, Jeongcheol Ha · Journal of the Korean Data and Information Science Society · 7
Ljung-Box Test in Unit Root AR-ARCH Model
2004 · Eunhee Kim, Jeongcheol Ha, et al. · Communications for Statistical Applications and Methods · 7
NM–QELE for ARMA–GARCH models with non-Gaussian innovations
2011 · Jeongcheol Ha, Taewook Lee · Statistics & Probability Letters · 6
Central Limit Theorems for Reduced U‐Statistics Under Dependence and Their Usefulness
2013 · Tae Yoon Kim, Jeongcheol Ha, et al. · Australian & New Zealand Journal of Statistics · 5
Coefficient constancy test in AR-ARCH models
2002 · Jeongcheol Ha, Sangyeol Lee · Statistics & Probability Letters · 5
The effect of university students' knowledge sharing on the educational performance
2013 · Hyun Seok Choi, Seul Gee Kim, et al. · Journal of the Korean Data and Information Science Society · 3
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Development of Bayes' rule education tool with Excel Macro
2012 · Hyun-Seok Choi, Jeong-Cheol Ha · Journal of the Korean Data and Information Science Society · 3
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Analysis of academic achievement based on the university admission factors -A university case in 2011-
2012 · Hyun-Seok Choi, Jeong-Cheol Ha · Journal of the Korean Data and Information Science Society · 3
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Unit root tests and their challenges
2022 · Seul Gee Kim, Cheolyong Park, et al. · Communication in Statistics- Theory and Methods · 2
Reformulating scale-free network via strong dependency
2022 · Tae Yoon Kim, Cheolyong Park, et al. · Journal of Complex Networks · 2
A study on the slope sign test for explosive autoregressive models
2015 · Jeongcheol Ha, Jong Mun Jung · Journal of the Korean Data and Information Science Society · 2
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Using bimodal kernel for nonparametric regression specification test
2014 · Cheolyong Park, Tae Yoon Kim, et al. · Statistica Sinica · 2
Remarks on correlated error tests
2016 · Tae Yoon Kim, Jeongcheol Ha · Journal of the Korean Data and Information Science Society · 1
Using the dependent wild bootstrap for the nonparametric goodness-of-fit test for density functions
2016 · Taeyoon Kim, Cheolyong Park, et al. · Statistics · 1
Comparisons of the corporate credit rating model power under various conditions
2015 · Jeongcheol Ha, Soojin Kim · Journal of the Korean Data and Information Science Society · 1
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Measures Of Slope Rotatability For Mixture Experiment Designs
2007 · Jeongcheol Ha · Journal of the Korean Data and Information Science Society · 1
Testing the domestic financial data for the normality of the innovation based on the GARCH(1,1) model
2007 · 이태욱, 하정철 · 1
A study on the results of teaching competency diagnosis of K university using structural equation model
2022 · Hyun-Seok Choi, Jinhwa Chung, et al. · Journal of the Korean Data and Information Science Society
A study on lecture satisfaction using path analysis
2021 · Hyun Seok Choi, Kwang-Yeol Yoon, et al. · Journal of the Korean Data and Information Science Society
Stationarity test based on density approach
2020 · Ji Eun Moon, Cheolyong Park, et al. · Journal of nonparametric statistics
Gradual Change Estimation in AR(1) Models
2020 · Zixuan Liu, Jeongcheol Ha · Quantitative Bio-Science
Works count: 32
Citation count: 447
H-index: 6
I10-index: 3
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