When conducting surveys, two kinds of nonresponse may cause incomplete data files: unit nonresponse (complete nonresponse) and item nonresponse (partial nonresponse). The selectivity of the unit ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Erika Rasure is globally-recognized as ...

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Find out what's up in your night sky during December 2025 and how to see it in this Space.com stargazing guide. Looking for a telescope for the next night sky event? We recommend the Celestron ...

The Architects of AI drove the economy, shaped geopolitics, and changed the way we interact with the world. by Charlie Campbell, Andrew R. Chow and Billy Perrigo by Sam Jacobs by D.W. Pine ...

Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South Carolina, where he launched his own financial advisory firm in 2018. Thomas' experience gives him expertise in a ...