This is a preview. Log in through your library . Abstract Fan and Yao (1998) proposed an efficient method to estimate the conditional variance of heteroskedastic regression models. Chen, Cheng, and ...
This is a preview. Log in through your library . Abstract The Cox regression model with a shared frailty factor allows for unobserved heterogeneity or for statistical dependence between the observed ...
Model fit can be assessed using the difference between the model's predictions and new data (prediction error—our focus this month) or between the estimated and ...
Analysis of variance (ANOVA) is a statistical analysis tool that separates total variability found within a data set into two components: random and systematic factors.
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