Models are developed for the analysis of contingency table data with supplemental marginal totals. The method of maximum likelihood is used to estimate the parameters in the models, and the expected ...

The product moment correlation coefficient is often used even for ordinal data with only a few scale steps. This procedure may lead to biased results, where the bias depends on the number of scale ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

If you mastered even one of these games as a kid, chances are you were training intelligence in a way that didn’t look like ...

Peptides derived from proteolytic processing of the β–amyloid precursor protein (APP), including the amyloid–β peptide, are important for the pathogenesis of Alzheimer's dementia. We found that ...

As avid puzzlers know full well, the humble jigsaw puzzle is a thing of beauty in multiple ways. Not only are jigsaws an absorbing time sink, but multiple studies have demonstrated they are good for ...

A guide with examples for learning this key idea in options trading Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...

Camping tents and sleeping bags may get the glory, but your camping table is arguably the MVP of any camping trip. That’s because it’s the glue that ties together the best camp kitchens, acting as the ...

This important study combines optogenetic manipulations and wide-field imaging to show that the retrosplenial cortex controls behavioral responses to whisker deflection in a context-dependent manner.