This blog looks at why you should resist the urge to add too many predictors to a regression model, and how the adjusted R-squared and predicted R-squared can help!
This blog looks at how to obtain an unbiased and reasonably precise estimate of the population R-squared. It also presents power and sample size guidelines for regression analysis.
Scientists celebrate the centennial of a reaction that makes cooked food tasty, but also produces worrisome molecules in our meals and bodies.
The process of heating can also lead to the formation of less favourable substances. One such compound that has received much scientific and media interest over recent years is acrylamide.
Vegetables lose some nutritional value in transportation, so when possible, buy produce from farmers’ markets.
Reviewing the basic statistical concepts: expected value and variance.
