基尼增益系数/基尼系数增益(Gini Gain):表征某个划分对基尼系数的增益,使用原基尼杂质系数减去按样本占比加权的各个分支的基尼杂质系数来计算,计算方法在后面将提到。 基尼指数(Gini index):这是一个尴尬的问题,因为有人把它等价于gini impurity,但也有人把它用作gini coefficient。需要结合上下文来判断。 基尼系数(...
Random Forest Feature Importance Measured by the Mean Decrease in Gini CoefficientOliver SanderTobias SingIngolf SommerAndrew J LowPeter K CheungP. Richard HarriganThomas LengauerFrancisco S Domingues
Define Gini. Gini synonyms, Gini pronunciation, Gini translation, English dictionary definition of Gini. n. 1. A supernatural creature who does one's bidding when summoned. 2. A jinni. American Heritage® Dictionary of the English Language, Fifth Editi
Spearman’s correlation coefficient was used to compare frequency distributions across the tested groups. PFS and OS were estimated using the Kaplan–Meier method and compared using the log-rank test. Variables significantly associated with survival in univariate analysis were further analyzed using ...