Skip sequencing in surveys reduces costs but also acts as a mechanism of contagion in transmitting error from one survey item to subsequent items. The error process ...

Given the extraordinary claim, we were eager to examine the supporting evidence and have noticed several issues that cause us to find the claim doubtful. In the low baseline TL subgroup (N=17), ...

We thank Dr. Smith and colleagues for their careful review of published medical literature. We agree that scientific rigor is of greatest importance. However, we disagree with their review of ‘Changes ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Regression models are a cornerstone of modern social science. They’re at the ...

Dr. James McCaffrey of Microsoft Research uses a full code program, examples and graphics to explain multi-class logistic regression, an extension technique that allows you to predict a class that can ...

Basic logistic regression classification is arguably the most fundamental machine learning (ML) technique. Basic logistic regression can be used for binary classification, for example predicting if a ...