{"id":2578,"date":"2018-09-14T13:23:39","date_gmt":"2018-09-14T17:23:39","guid":{"rendered":"https:\/\/www.med.unc.edu\/bigs2\/?page_id=2578"},"modified":"2026-01-09T08:19:21","modified_gmt":"2026-01-09T13:19:21","slug":"home2","status":"publish","type":"page","link":"https:\/\/www.med.unc.edu\/bigs2\/","title":{"rendered":"Home"},"content":{"rendered":"<h1>Welcome to the BIG-S<sup>2<\/sup> Group<\/h1>\n<p><strong>We<\/strong> have diverse interests in developing novel statistical methods for challenging issues in real applications and solving their underlying methodological issues in statistics. Our past and present statistical projects include diagnostic measures, stochastic approximation algorithm, functional data analysis\uff0cdeep learning methods\uff0c structural equation models, mixed effect models, spline regression, reinforcement learning, missing data problems, causal inference, variable selections, empirical likelihood, mixture models and regression tree.<\/p>\n<p><strong>We<\/strong> have developed methods and software for the analysis of the data from a state-of-the-art magnetic resonance imaging (MRI) technique including MRI, functional MRI, and diffusion tensor image. We have developed and enhanced tools in data mining, deep learning, reinforcement learning, machine learning, Monte Carlo method, causal inference, and statistical modeling, and applied them to scientific problems to understand the function and structure of different organs (e.g., brain or heart). Our collaborators and we work closely to study healthy subjects and diseased patients.<\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_2242\" class=\"thumbnail wp-caption aligncenter\" style=\"width: 310px\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2242\" src=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2018\/09\/axialslicesanim.gif\" alt=\"\" width=\"300\" height=\"300\" \/><figcaption class=\"caption wp-caption-text\">functional MRI activity<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p><strong>We<\/strong> have been working on integrating the genomic, epigenetic, proteomic, and metabolic information to try to understand the biological mechanisms behind various phenotypes. We work closely with biologists, clinicians, oncologists to study the genetic driver events for disease diagnosis, prognosis, and tumor evolutions.<\/p>\n<p><a href=\"http:\/\/www.med.unc.edu\/bric\" target=\"new\" rel=\"noopener noreferrer\">Biomedical Research Imaging Center<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3950 aligncenter\" src=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screenshot-2020-07-18-12.06.27-1024x648-1-300x190.png\" alt=\"\" width=\"300\" height=\"190\" srcset=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screenshot-2020-07-18-12.06.27-1024x648-1-300x190.png 300w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screenshot-2020-07-18-12.06.27-1024x648-1-768x486.png 768w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screenshot-2020-07-18-12.06.27-1024x648-1-600x380.png 600w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screenshot-2020-07-18-12.06.27-1024x648-1.png 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3938\" src=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.05.22-PM-300x156.png\" alt=\"sMRI\" width=\"300\" height=\"156\" srcset=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.05.22-PM-300x156.png 300w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.05.22-PM-1024x533.png 1024w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.05.22-PM-768x400.png 768w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.05.22-PM-1536x800.png 1536w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.05.22-PM-2048x1066.png 2048w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.05.22-PM-600x312.png 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3934\" src=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/G360_Highres1-1-300x130.png\" alt=\"\" width=\"300\" height=\"130\" srcset=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/G360_Highres1-1-300x130.png 300w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/G360_Highres1-1-600x261.png 600w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/G360_Highres1-1.png 720w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3939\" src=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.06.58-PM-300x142.png\" alt=\"\" width=\"300\" height=\"142\" srcset=\"https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.06.58-PM-300x142.png 300w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.06.58-PM-1024x485.png 1024w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.06.58-PM-768x364.png 768w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.06.58-PM-1536x727.png 1536w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.06.58-PM-2048x969.png 2048w, https:\/\/www.med.unc.edu\/bigs2\/wp-content\/uploads\/sites\/822\/2021\/05\/Screen-Shot-2021-05-10-at-12.06.58-PM-600x284.png 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Welcome to the BIG-S2 Group We have diverse interests in developing novel statistical methods for challenging issues in real applications and solving their underlying methodological issues in statistics. Our past and present statistical projects include diagnostic measures, stochastic approximation algorithm, functional data analysis\uff0cdeep learning methods\uff0c structural equation models, mixed effect models, spline regression, reinforcement learning, &hellip; <a href=\"https:\/\/www.med.unc.edu\/bigs2\/\" aria-label=\"Read more about Home\">Read more<\/a><\/p>\n","protected":false},"author":55348,"featured_media":0,"parent":0,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-2578","page","type-page","status-publish","hentry","odd"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Home - BIG-S2<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Home - BIG-S2\" \/>\n<meta property=\"og:description\" content=\"Welcome to the BIG-S2 Group We have diverse interests in developing novel statistical methods for challenging issues in real applications and solving their underlying methodological issues in statistics. 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