the length o ti time series with adaption period was proposed by Chen et al as one of the mechanisms in improving forecasting accuracy. First, second, third and fourth order fuzzy times series based on multi-period adaptation models were successfully tested with stock exchange indexes in Taiwan and Hong Kong. However feasibility of the fourth order model especially the effect of multi-period ad...

Diet quality is an important measure in understanding food security because of the synergistic nature of microand macronutrients (Gerber, 2001 [1]) and the association of healthy diet patterns with reduced risk for diet-related disease and illness (Kant, 1996 [2]). The Diet Quality Index ? International (DQI-I) is a composite, individual-level diet quality indicator. It was created in 2003 to e...