The results show that using the GM (1, 1) model to forecast the tax data involves a smaller sample and less information. It's easier to build the model and the prediction precision is better.

结果表明，用GM(1,1)模型对税收数据进行预测，不仅所需样本小、信息少，而且建模简单，具有很好的预测精度。

youdao

The results show that using the GM (1, 1) model to forecast the tax data involves a smaller sample and less information. It's easier to build the model and the prediction precision is better.

结果表明，用GM(1,1)模型对税收数据进行预测，不仅所需样本小、信息少，而且建模简单，具有很好的预测精度。

youdao