StatsPAI is for empirical researchers who would normally jump between Stata, R, and Python. Its goal is to make common Stata/R econometrics and causal-inference workflows feel native in Python: load a ...

Can you chip in? As an independent nonprofit, the Internet Archive is fighting for universal access to quality information. We build and maintain all our own systems, but we don’t charge for access, ...

eSpine Center, Xinhua Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China fDepartment of Orthopaedic Surgery, The Second Affiliated Hospital, Zhejiang University ...

Teachers’ conditional positive and negative regard are widely endorsed teaching practices aimed to enhance students’ involvement and achievement in school. Previous research has mostly tapped the need ...

Does life’s early emergence mean that it would reappear quickly if we were to rerun Earth’s clock? If the timescale for intelligence evolution is very slow, then a quick start to life is actually ...

Misclassification of outcomes or event types is common in health sciences research and can lead to serious bias when estimating the cumulative incidence functions in settings with competing risks.

Edited by Alexis T. Bell, University of California, Berkeley, CA, and approved May 20, 2019 (received for review March 4, 2019) While the major reason for decreased wind farm efficiency is variability ...

This joint interim final rule implements for all Federal award-making agencies the final guidance Uniform Administrative Requirements, Cost Principles, and Audit Requirements for Federal Awards ...