heteroskedasticity n. 异方差性
- Heteroskedasticity is not reported in the past researches about regression analysis of calorific value of coal.
以往用回归分析的方法研究煤的发热量,没有见到关于异方差问题的报道。 - An improved neural network model based on autoregressive conditional heteroskedasticity (ARCH) analysis is proposed for day-ahead electricity market.
针对日前电力市场提出了一种基于自回归条件异方差分析的改进神经网络模型。 - The autoregressive conditional heteroskedasticity (ARCH) [10] and the generalized autoregressive conditional heteroskedasticity (GARCH) model [11] are the representatives.
多项式趋势-自回归-条件异方差模型(ARCH)和广义自回归条件异方差模型(GARCH)就是其中的代表。
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