'Sample selection bias' diaporamas de présentation

Causal Inference and Ambiguous Manipulations

Causal Inference and Ambiguous Manipulations. Richard Scheines Grant Reaber, Peter Spirtes Carnegie Mellon University. 1. Motivation. Wanted: Answers to Causal Questions: Does attending Day Care cause Aggression? Does watching TV cause obesity?

517 views • 35 slides

Universal Learning over Related Distributions and Adaptive Graph Transduction

334 views • 26 slides

ReverseTesting: An Efficient Framework to Select Amongst Classifiers under Sample Selection Bias

ReverseTesting: An Efficient Framework to Select Amongst Classifiers under Sample Selection Bias. Wei Fan IBM T.J.Watson Ian Davidson SUNY Albany. Sampling process. Where Sample Selection Bias Comes From?. Universe of Examples: Joint probability distribution P(x,y) = P(y|x) P(x)

365 views • 24 slides

Recall

421 views • 24 slides

Using Propensity Score Matching in Observational Services Research

Using Propensity Score Matching in Observational Services Research. Neal Wallace, Ph.D. Portland State University February 2014. Overview. What is Propensity Score Matching (PSM) When is PSM used How PSM works A Simple Recipe for Generalized PSM Some MH Services Research Examples

230 views • 22 slides

Graph-based Iterative Hybrid Feature Selection

320 views • 18 slides