selection of best demand model for explaining of consumer behaviour is one of the most important issues in microeconomic. in this paper we introduce aids[1],cbs[2], nbr[3] and rotterdam model and estimate these models by iranian urban households data for period 1973-2012.seemingly unrelated regression method is chosen for estimation of 5 groups of commodities including food, housing, clothing, ...

Analysis of data from the Centraal Bureau voor de Statistiek in the Netherlands showed that the suicide rate by domestic gas dropped from 1958 to 1975 as the percentage of carbon monoxide in domestic gas was reduced. Suicide by all other methods rose more sharply during the latter part of this period, suggesting that people may have switched methods for suicide.

Samenvatting Inleiding Voor suïcidepreventie is het van belang om groepen met een verhoogd risico op suïcide zo goed mogelijk te identificeren. Tot nog toe er weinig bekend over interacties meerdere risicofactoren. Machine learning-methoden bieden nieuwe mogelijkheden voor flexibel, datagedreven, hypothesevrij en robuust onderzoek naar de risicofactoren suïcide. Methode In dit gebruikgemaakt mi...