GM (1, 1) is good for short time, few data, and small fluctuation.

灰色GM(1,1)模型主要用于时间短、数据少、波动小的预测问题。

youdao

GM (1, 1) is good for short time, few data, and small fluctuation.

灰色GM(1,1)模型主要用于时间短、数据少、波动小的预测问题。

youdao