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Reconstructions of global temperature of the past 2000 years, using composite of different proxy methods. In the study of past climates ("paleoclimatology"), climate proxies are preserved physical characteristics of the past that stand in for direct meteorological measurements [1] and enable scientists to reconstruct the climatic conditions over a longer fraction of the Earth's history.
In statistics, a proxy or proxy variable is a variable that is not in itself directly relevant, but that serves in place of an unobservable or immeasurable variable. [1] In order for a variable to be a good proxy, it must have a close correlation, not necessarily linear, with the variable of interest. This correlation might be either positive ...
Global paleoclimate indicators are the proxies sensitive to global paleoclimatic environment changes. They are mostly derived from marine sediments.Paleoclimate indicators derived from terrestrial sediments, on the other hand, are commonly influenced by local tectonic movements and paleogeographic variations.
Unemployment is an example of a countercyclical variable. [4] Similarly, business failures and stock market prices tend to be countercyclical. In finance, an asset that tends to do well while the economy as a whole is doing poorly is referred to as countercyclical, and could be for example a business or a financial instrument whose value is ...
Indicator bacteria themselves may not be pathogenic but their presence in waste may indicate the presence of other pathogens. [1] Similar to how there are various types of indicator organisms, there are also various types of indicator bacteria. The most common indicators are total coliforms, fecal coliforms, E. coli, and enterococci. [2]
Image source: The Motley Fool. Prudential Financial (NYSE: PRU) Q4 2024 Earnings Call Feb 05, 2025, 11:00 a.m. ET. Contents: Prepared Remarks. Questions and Answers. Call Participants
Examples of latent variables from the field of economics include quality of life, business confidence, morale, happiness and conservatism: these are all variables which cannot be measured directly. But linking these latent variables to other, observable variables, the values of the latent variables can be inferred from measurements of the ...
Image source: The Motley Fool. Upstart (NASDAQ: UPST) Q4 2024 Earnings Call Feb 11, 2025, 4:30 p.m. ET. Contents: Prepared Remarks. Questions and Answers. Call ...