Statistical testing in Python offers a way to make sure your data is meaningful. It only takes a second to validate your data ...

At each stage of the packing of a closed interval K, a random number of random open intervals (the packing objects) are placed in that part of K which is as yet unoccupied. No overlapping between the ...

Let X1, X2, ⋯, Xn be n independent random variables each distributed uniformly over the interval (0, 1), and let Y0, Y1, ⋯, Yn be the respective lengths of the n + 1 segments into which the unit ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Identifying causal relationships from observational data is not easy. Still, ...