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物流需求预测法的python实现(Logistics Demand Forecasting By Python),含移动平均法、指数平滑法、平滑系数的确认、结果输出到excel表、误差分析等

License: GNU General Public License v3.0

Python 7.66% Jupyter Notebook 92.34%

logistics-demand-forecasting-by-python's Introduction

weighted_moving_forecasting_method

weighted moving forecasting method by python 加权滑动预测法是时间序列平滑预测模型之一,通过对各个时期的历史数据赋予不同的权值,来反映对将要发生的数据所起的作用。一般来说,距预测期较劲的数据,对预测值的影响也较大,因而其权值也较大;据预测期较远的数据,对预测值的影响也较小。

使用方法:下载文件,确保input.xlsx和mian.py在同一个文件夹,将数据导入到input.xlsx,pip install requirements.txt安装依赖,运行mian.py文件

Single_exponential_smoothing

Single exponential smoothing by python 一次指数平滑法(single exponential smoothing),也称为单一指数平滑法,是指以最后的一个第一次指数平滑。它只有一个平滑系数,而且当观察值离预测时期越久远时,权数变得越小。一次指数平滑是以一段时期的预测值与观察值的线性组合作为t+1期的预测值。

使用方法:下载文件,确保input.xlsx和mian.py在同一个文件夹,将数据导入到input.xlsx,pip install requirements.txt安装依赖,运行mian.py文件

exponential_smoothing

Double exponential smoothing and Triple exponential smoothing by python 具体使用方法参照ipynb文件。

Gray_model

灰色y预测模型

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