【摘要】 根据Ｌｏｇｉｓｔｉｃ曲线和Ｇｏｍｐｅｒｔｚ曲线的共性和个性，以对数误差平方和最小为目标，建立了组合预测模型，并以实例说明了该模型的优越性．更多还原

【Abstract】 According to the general character and individual character of both Logistic curve and Gompertz curve, and at the target of the least square sum of the logarithmic error, we establish a kind of combinatorial prediction model and analyse its superiority by a practical example.更多还原