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Sensitivity indexes when the inputs of a model are not independent are derived from local polynomial techniques. Two original estimators based on local polynomial smoothers are proposed. Both have good theoretical properties, which are illustrated through analytical examples. Comparison with the Bayesian approach developed by Oakley and O'Hagan (2004) is(More)
A new method for feedstock reconstruction of industrially important hydrocarbon fractions is developed using as input the analytically determined commercial indices such as the average molecular weight, the specific density, the H/C-ratio, the paraffin, isoparaffin, olefins, naphthenes, aromatics (PIONA) weight fractions and a set of ASTM boiling points.(More)
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