Susan Gruber, Geneviève Lefebvre, Tibor Schuster, and Alexandre Piché write: The ACIC 2019 Data Challenge is Live! Datasets are available for download (no registration required) at https://sites.google.com/view/ACIC2019DataChallenge/data-challenge (bottom of the page). Check out the FAQ at https://sites.google.com/view/ACIC2019DataChallenge/faq The deadline for submitting results is April 15, 2019. The fourth Causal Inference Data Challenge is taking place …