承担的项目
主持的国家自然科学基金项目
1. 多元统计中参数估计的容许性（19401020）；
2. 信仰推断及其应用（10271013）；
3. 非参数和半参数Fiducial推断（10771015）；
4. 统计假设检验的p-值（11071015）；
5. 基于似然函数的统计推断（11471035）。
参加的国家自然科学基金项目
1. 统计决策和小样本推断中的几个问题（19871088)；
2. Sieve似然比与小样本条件推断理论研究（10071090）；
3. 高维数据降维的若干前沿问题研究（11471030）。
主持的其他项目
1. 线性回归系统中的参数估计，山东省自然科学基金；
2. 统计中的条件推断，国家自然科学博士后基金。

学术论文
[10] Yuanyuan Jiang and Xingzhong Xu, Testing the skewness of skew-normal distribution by Bayes factors, Journal of Statistical Planning and Inference, 2022, 220: 24-48.
[9] Zhendong Wang and Xingzhong Xu, Testing high dimensional covariance matrices via posterior Bayes factor, Journal of Multivariate Analysis, 2021, 181, Article Number 104674.
[8] Zhendong Wang & Xingzhong Xu, Calibration of posterior predictive p-values for model checking, Journal of Statistical Computation and Simulation, 2021, 91(6):1212-1242.
[7] Zhendong Wang and Xingzhong Xu, High-dimensional sphericity test by extended likelihood ratio, Metrika, 2021, 84:1169-1212.
[6] Yuqi Long and Xingzhong Xu, Bayesian decision rules to classification problems, Australian & New Zealand Journal of Statistics, 2021, 63(2): 394-415.
[5] Wang Rui, Xu, Xingzhong, A Bayesian-motivated test for high-dimensional linear regression models with fixed design matrix, Statistical papers, 2021, 62:1821-1852.
[4] Wang Rui, Xu Xingzhong, Least favorable direction test for multivariate analysis of variance in high dimension. Statistica Sinica, 2021, 31:1-24.
[3] Mingxiang Cao, Peng Sun, Daojiang He, Rui Wang and Xingzhong Xu, A test on linear hypothesis of k-sample means in high-dimensional data, Statistics and Its Interface, 2020, 13:27-36.
[2] Wang Rui, Xu Xingzhong, A feasible high dimensional randomization test for the mean vector, Journal of Statistical Planning and Inference, 2019, 199:160-178.
[1] Wang Rui, Xu Xingzhong, On two-sample mean tests under spiked covariances,  Journal of Multivariate Analysis, 2018, 167:225-249.