词汇 | forecaster |
释义 | forecaster noun[ C ] uk /ˈfɔː.kɑː.stər/ us /ˈfɔːr.kæs.tɚ/ a person who tells you what particular conditions are expected to be like: 预测者 an economic forecaster经济预测专家 a weather forecaster天气预报员 Compare predictor soothsayerold use People who make predictions clairvoyant diviner doomsayer fortune teller futurist futurologist harbinger palmist prophet prophetess psychic seer sibyl soothsayer visionary forecaster | Business Englishforecaster noun[ C ] uk /ˈfɔːkɑːstər/ us /ˈfɔrkæstər/ a person or company whose job is to judge what is likely to happen in the future, based on information they have now: Independent forecasters believe the prime minister's growth forecasts are still too optimistic. Examples of forecasterforecaster These can be seen as 'hedging' devices, expressing the forecaster's degree of certainty about predictions in the forecast. Some forecasters use informal judgment along with models and data to produce forecasts. An analogy for the results of such reduction can be seen in how weather forecasters report the heat index along with measured temperature. First, forecasting macroeconomic aggregates is of obvious utility to business and policymakers, and yet, the track record of economic forecasters is mixed. From the standpoint of an election forecaster everything that could go wrong did. The respondents, who supply anonymous answers, are professional forecasters from the business and financial community. If a forecaster aims at longer horizons-developing scenarios for several decades-pure extrapolation of statistically identified coefficient structures often fails. For example, a weather forecaster predicts rain not on the basis of clairvoyance but on the basis of patterns of prior meteorological events. Weather forecasters develop their own expertise in predicting the occurrence of lee waves. A common use for a forecaster is to examine the sensitivity of the model's forecast to exogenous variable changes. We became forecasters of housing prices. Some forecasters are estimating a worldwide population explosion from the current 6.6 billion people to 8 billion people by the year 2020 and to 9.4 billion by 2050. Usually, economic forecasters are additionally required to compile predictions for subaggregates of the main demand aggregates, such as consumption of durable goods and investment in machinery. This is a problem when fitting prediction models, insofar as forecasters need to ask whether an estimated model has sensible properties and decide whether adjustments are necessary. One of these is to have the probability represent one's subjective belief that the proposition is true (which, of course, may be what the weather forecaster means). These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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