extrapolation

/,ekstrəpə'leiʃn/

Thân thiện

The scientist made an extrapolation of the data trend on the graph.

Definition

1. Noun:
   • An inference about the future or an unknown situation: The act of estimating or concluding something by extending or projecting known information or trends.
   • A mathematical calculation: The process of estimating the value of a variable or function outside its known range of values by assuming a continuation of a trend.

Examples of Usage

• General Inference:
  • His prediction of sales growth was a risky extrapolation from last quarter's data.
  • The report's conclusions are based on an extrapolation of current climate trends.
• Mathematical Context:
  • The scientist used linear extrapolation to estimate the population in 2050.
  • Extrapolation beyond the measured data points can lead to significant errors.

Advanced Usage

• "statistical extrapolation": The use of statistical methods to project data.
  • The model relied on statistical extrapolation to forecast economic indicators.
• "to make an extrapolation": To perform the act of extrapolating.
  • It is difficult to make a reliable extrapolation from such a small sample size.

Variants and Related Words

• Extrapolate (verb): To perform extrapolation.
  • Researchers extrapolate future trends from historical patterns.
• Extrapolative (adjective): Relating to or involving extrapolation.
  • The extrapolative model was useful for short-term forecasts.

Synonyms

• Projection: An estimate or forecast of a future situation based on current trends.
• Estimation: A rough calculation or judgment of the value, number, quantity, or extent of something.

Related Phrases

• "extrapolate from": To infer or estimate by extending information from a known basis.
  • We can extrapolate from these results to understand the broader phenomenon.
• "extrapolation error": An error resulting from an incorrect extrapolation.
  • The financial loss was due to an extrapolation error in the market model.

Học thuật

Noun

1. an inference about the future (or about some hypothetical situation) based on known facts and observations
2. (mathematics) calculation of the value of a function outside the range of known values