Fixed vs. random effects in panel data Broadly speaking, the distinction between a fixed effects approach and a random effects approach concerns the correlation — or lack thereof — between unobserved ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? A new network paradigm can generate meaningfully random numbers—and fast. In ...

In the Swiss experiment, the camera was used to create a 1.25 Gbit/s stream of random numbers. One worry about any random-number generator is that the numbers could be influenced in a predictable way ...