Several years ago, I wrote about possible sources of measurement errors in testing one’s blood pressure (see Avoiding blood pressure measurement errors). Since then, I have kept a very careful record ...

Nielsen’s out-of-home measurement gaffe was worse than the ratings company has presented it, according to a new study by the country’s major TV networks. Last month, Nielsen admitted it had been ...

LinkedIn said Thursday it discovered a pair of measurement errors that led to more than 400,000 advertisers overpaying for campaigns on the professional networking platform. In a blog post, the ...

A tough challenge for test engineers is explored in terms of test methods, pitfalls, and measurement errors. For the test engineer, RF and microwave power amplifier testing imposes unique challenges.

We consider the problem of estimating the density of a random variable when precise measurements on the variable are not available, but replicated proxies ...

“The two new errors affected the reaction counts Facebook reports on Pages’ Live videos as well as the engagement figures Facebook reports for off-Facebook links; the latter link engagement metrics ...

Although most modern organisations possess extensive data, a subtler challenge persists: a lack of understanding regarding ...

GUM, the internationally approved technique for calculating measurement uncertainty, is reliant on the availability of a certified reference sample. Likewise, to find any repeatable offset (systematic ...

For years, a core set of satellite measurements has shaped how scientists, policymakers and modelers understand the Arctic’s ...