The most common sampling approach for cross-sectional household surveys in the developing world is a stratified two-stage design, where the first stage is usually a sample from a census-based area ...

Two weeks ago, I made the case for specifying the global problems you wish to spend years on. Today I want to place these choices at the right altitude, because from arm’s length everything blurs and ...

There is a critical problem in vectorized_reservoir_sampling: this reservoir sampling implementation is mathematically incorrect. The current algorithm doesn't maintain the uniform sampling property ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...

Few things are more frustrating than sitting down to print an important document only to be met with a big, bold error message. If you’ve ever seen your HP printer ...

“The court’s interpretation of Rule 3.1(c) as including an unwritten ‘how’ requirement was arbitrary and improperly reads in a requirement that has no support in the plain language of the rule.” – ...

It took two trips to Veterans Park, but Don Bosco Prep eventually prevailed in dramatic fashion. Hurdling through a state championship contest that went 11 innings, sprinkled with 10 combined errors ...

EMMAUS – Four errors, including three in one inning, proved costly to Hazleton Area in a 3-2 loss to Emmaus in non-league high school baseball action on Saturday. Withe game tied at 2 in the bottom of ...

Data quality control programs used in the mineral industry normally define tolerance limits based on values considered as good practice or those that have previously been applied to similar deposits, ...

A new method is proposed for the intelligent down-sampling of digital curves that provides efficient compression. The proposed down-sampling is non-uniform and is based on the spatial distribution of ...