What Is a Good Confidence Interval? A 95% confidence interval is most often used because it narrows the width of the interval, and you have a 5% chance of being wrong.

PyApp seems to be taking the Python world by storm, providing long-awaited click-and-run Python distribution. For developers ...

Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for ...

The simplest form of regression in Python is, well, simple linear regression. With simple linear regression, you're trying to ...

The logistic transformation applied to a d-dimensional normal distribution produces a distribution over the d-dimensional simplex which can sensibly be termed a logistic-normal distribution. Such ...

Scientists have calculated the odds of a catastrophic asteroid impact compared to other causes of death—to surprising results.

The Centre for Multilevel Modelling (CMM) is a research centre based at the University of Bristol. Our researchers are drawn from the School of Education. We collaborate with a range of researchers in ...