Regression validationIn statistics, regression validation is the process of deciding whether the numerical results quantifying hypothesized relationships between variables, obtained from regression analysis, are acceptable as descriptions of the data. The validation process can involve analyzing the goodness of fit of the regression, analyzing whether the regression residuals are random, and checking whether the model's predictive performance deteriorates substantially when applied to data that were not used in model estimation.
Regional integrationRegional Integration is a process in which neighboring countries enter into an agreement in order to upgrade cooperation through common institutions and rules. The objectives of the agreement could range from economic to political to environmental, although it has typically taken the form of a political economy initiative where commercial interests are the focus for achieving broader socio-political and security objectives, as defined by national governments.
Panicum virgatumPanicum virgatum, le panic érigé ou millet vivace, est une espèce de plantes monocotylédones de la famille des Poaceae (graminées), sous-famille des Panicoideae, originaire d'Amérique du Nord. Ce sont des plantes herbacées, vivaces, très répandues aux États-Unis, autrefois considérées comme des céréales sauvages. L'espèce est présente sur tout le territoire américain (sauf dans la frange littorale du Pacifique).
