Abstract- This paper discusses experimental design for the case that (i) we are given a distribution of covariates from a pre-selected random sample, and (ii) we are interested in the average treatment effect (ATE) of some binary treatment. We show that...
Abstract: Large-scale open online learning environments continuously record learner activities: the 54 courses conducted by HarvardX and MITx in the 2013-2014 academic year had 1.1MM participants who recorded over a half a billion actions. Increasingly...
Abstract: An increasing number of clinical and imaging research studies is collecting various additional information including genetic data. The goals of the emerging field of imaging genetics can be summarized into two aims: 1) using imaging biomarkers...
Abstract- This talk will discuss sparse Johnson-Lindenstrauss transforms, i.e.sparse linear maps into much lower dimension which preserve the Euclidean geometry of a set of vectors. Both upper and lower bounds will be presented, as well as applications to...