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Journal Articles
X. Chang, Chen, Y., Huang, H., and Luo, F., “Additive Dynamic Models for Correcting Numerical Model Outputs”, Computational Statistics and Data Analysis.
X. Chang and Li, J., “Business Performance Prediction in Location-based Social Commerce”, Expert Systems with Applications, vol. 126, pp. 112-123, 2019.
J. Li and Chang, X., “Combating False Information by Sharing the Truth: A Study on the Spread of Fact-checks on Social Media”, Information Systems Frontiers, 2022.
J. Li and Chang, X., “Combating Misinformation by Sharing the Truth: a Study on the Spread of Fact-Checks on Social Media”, Information Systems Frontiers, 2022.
X. Chang and Stein, M. L., “Decorrelation Property of Discrete Wavelet Transform Under Fixed-Domain Asymptotics”, IEEE Transactions on Information Theory, vol. 59, pp. 8001-8013, 2013.
X. Chang, Waagepetersen, R., Yu, H., Ma, X., Holford, T. R., Wang, R., and Guan, Y., “Disease Risk Estimation by Combining Case-Control Data with Aggregated Information on the Population at Risk”, Biometrics, vol. 71, pp. 114-121, 2015.
D. Wang, Lei, M., and Chang, X., “Dynamic relation of Chinese stock price-volume pre- and post- the Split Share Structure Reform: New evidence from a two-state Markov-switching approach”, China Finance Review International, vol. 5, no. 4, pp. 386-401, 2015.
Y. Sun, Chang, X., and Guan, Y., “Flexible and Efficient Estimating Equations for Variogram Estimation”, Computational Statistics and Data Analysis, vol. 122, pp. 45-58, 2018.
J. Li and Chang, X., “Improving Mobile Health Apps Usage: A Quantitative Study on mPower Data of Parkinson's Disease”, Information Technology and People, vol. 34, no. 1, pp. 399–420, 2020.
D. Wang, Tu, J., Chang, X., and Li, S., “The Lead-Lag Relationship between the Spot and Futures Markets in China”, Quantitative Finance, vol. 17, no. 9, pp. 1447–1456, 2017.
D. Liang, Zhang, H., Chang, X., and Huang, H., “Modeling and Regionalization of China's PM2.5 Using Spatial-Functional Mixture Models”, Journal of the American Statistical Association, vol. 116, no. 553, pp. 116–132, 2020.
M. Elman, Minnier, J., Chang, X., and Choi, D., “Noise Accumulation in High Dimensional Classification and Total Signal Index”, Journal of Machine Learning Research, vol. 21, no. 36, pp. 1-23, 2020.
D. Wang, Xin, Y., Chang, X., and Su, X., “Realized Volatility Forecasting and Volatility Spillovers: Evidence from Chinese Non-Ferrous Metals Futures”, International Journal of Finance and Economics, vol. 26, no. 2, pp. 2713–2731, 2020.
X. Chang and Stein, M. L., “Wavelet Methods in Interpolation of High-Frequency Spatial-Temporal Pressure”, Spatial Statistics, vol. 8, pp. 52–68, 2014.
Miscellaneous
X. Chang, “Location-based Data on Social Commerce Platforms can Provide Insights for Business Decisions”. Corvallis, OR, 2019.
Newspaper Article
X. Chang, “Improving Student Engagement and Connection in Online Learning: Part II, Methodologies and Practices”, 2022.
X. Chang, “Improving Student Engagement and Connection in Online Learning through Proactive Support”, 2021.
Presentations
P. - H. Hsieh, Chang, X., and Olstad, A., “Early Detection of Placement for Success in an Online Quantitative Class”, Joint Statistical Meetings. Chicago, IL, 2016.
Reports
P. - H. Hsieh, Chang, X., and Olstad, A., “Using a Q Matrix to Assess Students' Latent Skills in an Online Course”, 2018.