Browsing by Subject "model validation"

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Modelling the response of a highly eutrophic lake to reductions in external and internal nutrient loading

Özkundakci, Deniz; Hamilton, David P.; Trolle, Dennis (Taylor & Francis, 2011-06)

The reduction of macronutrients to levels that limit primary production is often a critical element of mitigating eutrophication and reducing the potential for algal blooms. Lake Okaro has remained highly eutrophic despite ...
The sense and non-sense of holdout sample validation in the presence of endogeneity

Ebbes, Peter; Papies, Dominik; van Heerde, Harald J. (2011)

Market response models based on field-generated data need to address potential endogeneity in the regressors to obtain consistent parameter estimates. Another requirement is that market response models predict well in a ...