灰色系统预测模型GM(1,1)，用于小样本、贫信息单序列的预测分析。本程序包含GM(1,1)模型的计算过程、拟合序列输出、拟合图形、各种精度检验计算。-Gray Forecast Model GM (1,1), for small samples, predict poor information single sequence analysis. This program includes the calculation GM (1,1) model fitting sequence output fitting graphics, a variety of precision test calculations.