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单词 curse of dimensionality
释义
curse of dimensionality

Statistics
  • An expression introduced by Bellman in 1961 that describes the difficulty of obtaining accurate estimates (see estimator) when there are many parameters to be estimated simultaneously.


Economics
  • The fact that some mathematical models can rapidly become excessively difficult to analyse as the number of variables increases. The curse can be encountered in economic problems as the number of consumers, firms, or time periods is increased.


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