Using a region of pulse waveform to estimate PTT may increase the accuracy in cfPWV measurement. A region-based method that obtained PTT by shifting the proximal pulse wave and superimposing its ...

A team of Johns Hopkins researchers has developed a cutting-edge data science approach capable of matching observations of celestial objects taken across multiple telescope surveys, overcoming a ...

Matched sampling is a standard technique for controlling bias in observational studies due to specific covariates. Since Rosenbaum & Rubin (1983), multivariate matching methods based on estimated ...

Historically, public opinion surveys have relied on the ability to adjust their datasets using a core set of demographics – sex, age, race and ethnicity, educational attainment, and geographic region ...

Changes are being made behind the scenes to iTunes Music's library matching and streaming algorithms, allowing for more accurate determination of what songs the user owns, and preventing inadvertent ...

As the silos have broken down across the printing industry and firms no longer see themselves as exclusively lithographic or digital printing operations, the need to mix runs with materials that are ...