Alibaba results beat analyst estimates

Chinese e-commerce leader Alibaba on Wednesday announced revenue for the latest quarter that beat analyst estimates, indicating that the Sino-US trade tiff and a slowing domestic economy were having little impact on the bottom ...

Improved control of big power in little motors

Little motors power everything from small comforts, such as desk fans, to larger safety systems, like oven exhaust systems—but they could be more precise, according to a research team from Mitsubishi Electric Research Laboratories.

Research on the wisdom of crowds: Making the bandwagon better

With a web browser or a cellphone, consumers today are making decisions about causes to fund, stocks to pick, movies to watch, restaurants to visit, products to buy and music to hear partly based on the answer to a single ...

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Estimation

Estimation is the calculated approximation of a result which is usable even if input data may be incomplete or uncertain.

In statistics,

In mathematics, approximation or estimation typically means finding upper or lower bounds of a quantity that cannot readily be computed precisely.

In signal processing, see estimation theory for approximating an unobserved signal on the basis of an observed signal containing noise.

In project management, see estimation (project management) for applications to project planning.

In physics, a Fermi problem is one concerning estimation in problems which typically involve making justified guesses about quantities that seem impossible to compute given limited available information.

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