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CSSS Seminar: Bin Yu, "Three principles of data science: predictability, computability, and stability (PCS)"
WhenWednesday, May 8, 2019, 12:30 – 1:30 p.m.
Campus locationSavery Hall (SAV)
Campus room409
Event typesAcademics, Lectures/Seminars
Event sponsorsCenter for Statistics and the Social Sciences

In this talk, I'd like to discuss the intertwining importance and connections of three principles of data science in the title and the PCS workflow that is built on the three principles for a data science life cycle including problem formulation, data cleaning, EDA, modeling, post-hoc analysis and data conclusions. The principles will be demonstrated in the context of two collaborative projects in neuroscience and genomics for interpretable data results and testable hypothesis generation. If time allows, I will present proposed PCS inference that includes perturbation intervals and PCS hypothesis testing. The PCS inference uses prediction screening and takes into account both data and model perturbations. Finally, a PCS documentation is proposed based on Rmarkdown, iPython, or Jupyter Notebook, with publicly available, reproducible codes and narratives to back up human choices made throughout a data science life cycle. The PCS workflow and documentation are demonstrated in a genomics case study available on Zenodo.…
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