weighting


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Related to weighting: Weighted average

weighting

An adjustment in a value based on scientific observations within the data.

weighting

(wāt′ĭng)
1. In radiation therapy that uses two opposing fields, the use of a higher dose for one of the fields.
2. In statistical or numerical analysis, the placing of emphasis on a variable or the gauging of the impact of a variable among a group of potential influences on an outcome.

weighting

  1. a method of determining the importance of characters in CLASSIFICATION by attributing different values to them.
  2. The application of statistical loadings to data so as to enhance the value of some figures and reduce the value of others.
References in periodicals archive ?
While the fundamental strategy has outperformed equal weighting, the authors explain that the latter is inherently a higher-cost strategy since most of the cost of indexing stems from rebalancing, a factor that disadvantages equal-weighting in comparison to both fundamental and market-cap weighting.
Figure 7(c) shows a complex query (shape ([I.sub.i]) and color ([I.sub.i]) or shape ([I.sub.j]) and layout ([I.sub.j])) with different weightings. The three weightings fared quite similarly, which suggests that complex weightings may not have a significant effect on retrieval performance.