Mango supply and demand in Hainan are analyzed. And the mango price in Hainan in 2010 is forecast using the seasonalindex trend method.
分析海南省芒果的供需情况,并利用季节指数趋势法对2010年海南省芒果的价格进行预测分析。
2
The paper proposes the improved model of GM (1, 1) model which is called GSI (1, 1). GSI (1, 1) model is the combi - nation of grey system and seasonalindex.