- 吉尼指數(shù)
- 用來衡量收入或貧富差距的指標
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gini index中文什么意思
例句與用法
- From its first proposal in english in 1921 to the present , a large number of papers on the gini index has been written and published
它從1921年在英文的文獻中出現(xiàn)到現(xiàn)在，許多學者寫作并發(fā)表了大量關于基尼系數(shù)的學術文獻。 - When splitting nodes of tree , gini index is chosen as a splitting criterion and caim measure is used to transform continuous attributes into discrete ones
分裂指標采用了giniindex計算方法，確定分裂點時使用了caim算法對連續(xù)型屬性進行了離散化處理。 - For the sake of further improving performance , this paper made some improvements to sliq . first , we use a new splitting index to evaluate the “ goodness ” of the alternative splits for attributes instead of gini index . secondly , we regard categorical attributes with only two possible values as numeric attributes when evaluate splits
為了進一步提高分類準確率和速度,論文對sliq算法作了一些改進:用新的屬性選擇度量代替gini索引,用處理連續(xù)值屬性的方法處理只有兩個可能值的分類屬性。 - The aim of this survey paper is to help the reader to navigate through the major developments of the literature and to incorporate recent theoretical research results with a particular focus on different formulations and interpretations of the gini index , its social welfare implication , and source and subgroup decomposition
因此，這個綜述的主要目的是幫助讀者在比較短的時間里了解基尼系數(shù)研究的主要發(fā)展線索和理論成果，包括基尼系數(shù)的各種公式及其解釋，基尼系數(shù)的社會福利涵義，以及基尼系數(shù)的收入來源和收入群體的分解。