Department of Operations Research and Financial Engineering, Princeton University, 98 Charlton St, Princeton, NJ 08544, USA; Department of Statistical Sciences, University of Toronto, 700 University Ave, Toronto, ON M5G 1X6, Canada; Shenzhen Research Institute of Big Data, the Chinese University of Hong Kong, 2001 Longxiang Boulevard, Shenzhen, Guangdong, China
Xin Chen, Yicheng Zeng, Siyue Yang, Qiang Sun
Sketched Ridgeless Linear Regression: The Role of Downsampling