Routine applications of quantile regression analysis require reliable and practical algorithms for estimating standard errors, variance-covariance matrices, as well as confidence intervals. Because ...
This is a preview. Log in through your library . Abstract Diagnostic techniques are proposed for assessing the influence of individual cases on confidence intervals in nonlinear regression. The ...
Residual plots can be used to validate assumptions about the regression model. Figure 1: Residual plots are helpful in assessments of nonlinear trends and heteroscedasticity. A formal test of lack of ...
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