explained variance

基本解释

The proportion of explained variance in outcome was also highest for cerebral infarction and accounted for 39% of the explained variance.
脑梗占预后中可解释的变异的比例也是最高的，达到39%。
Predictors for having persistent PGP or combined pain after delivery were low endurance of back flexors, older age, combined pain in early pregnancy and work dissatisfaction (explained variance 30%).
产后持续性PGP或合并疼痛在背屈、高龄、妊娠早期合并疼痛及对工作不满者中更易发生。
adoop.cn
The proportions of the variance explained by the models ranged from 21% to 28%.
由模型说明的方差比例范围为21%至28%。

The explained variance of this residual yield by climate is generally about 50%, which is very close to the average I found for corn, soybeans, and winter wheat.
FORBES: Climategate II: An Open Letter to the Director of the National Center for Atmospheric Research
In fact, the Brinson, Hood and Beebower study a lot of advisors chant about demonstrated that 90% or more of the variance in returns among large pension plans was explained merely by their allocation to stocks, bonds and cash.
FORBES: Fake Diversification: Does Asset Allocation Work?