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About me

I am currently a postdoc researcher of biostatistics at the Department of Public Health Sciences, Karolinska Institutet (KI). Before jointing KI, I worked as a statistician at Uppsala University from October 2014 to September 2016.  My research interests include, but are not limited to multivariate time series, factor model, data integration, network analysis and so on.

Research description

Selected publications

Zhou, X. and Solberger, M. (2016) A lagrange multiplier-type test for idiosyncratic unit roots in the exact factor model, Journal of Time Series Analysis (Wiley). DOI: 10.1111/jtsa.12193

Zhou, X. and Solberger, M. (2015): ”An LM-type test for idiosyncratic unit roots in the exact factor model with integrated factors”, Communications in Statistics-Theory and Methods (Taylor & Francis). DOI:10.1080/03610926.2015.1091079

Sarkisyan, D., Hussain, M.Z., Watanabe, H., Kononenko, O., Bazov, I., Zhou, X., Yamskova, O., Krishtal, V.M., Yakovleva, T. & Bakalkin, G. (2015): ”Downregulation of the endogenous opioid peptides in the dorsal striatum of human alcoholics”, Frontiers in Cellular Neuroscience, Vol.9(187) (Frontiers).



Teaching portfolio

  • Probability Theory, Uppsala University
  • Time Series Analysis, Uppsala University
  • Econometrics, Uppsala University




2009-2014, PhD in statistics, Uppsala University

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