[Ji Ge] Sales predictor based on machine learning

Yuxian: CSDN content partner, CSDN rising star mentor, rising star creator in the full stack field, 51CTO (Top celebrity + expert blogger), github open source enthusiast (go-zero source code secondary development, game back-end architecture https: //github.com/Peakchen)
 

A machine learning-based sales predictor is a method that uses historical sales data and other relevant data to predict future sales trends. The principle is to map historical sales data and related data to predictions of future sales by training a machine learning model. Common machine learning algorithms include linear regression, decision trees, random forests, support vector machines, neural networks, etc.

Here is a basic underlying architecture flow diagram describing the general workflow of a sales forecaster:

+--------------------------------+
| 数据收集和预处理                            |
|                                |
|  - 收集历史销售数据                       |
|  - 清理和处理数据                         |
|  - 提取特征和标签                         |
+--------------------------------+
            |
            v
+--------------------------------+
| 模型训练和评估                            |
|                                |
|  - 选择合适的机器学习算法              |
|  - 划分训练集和测试集                    |
|  - 特征工程和模型训练                    |
|  - 模型评估和调优                        |
+--------------------------------+
            |
            v
+--------------------------------+
| 预测和结果分析                            |
|                                |
|  - 使用训练好的模型进行预测              |
|  - 分析预测结果和误差                    |
|  - 反馈结果用于模型改进                  |
+--------------------------------+

scenes to be used:

  • Retail industry: Sales forecasters can help retailers predict future sales to optimize inventory management, purchasing plans and promotional strategies.
  • E-commerce: Online retail platforms can use sales predictors to predict demand for different products and provide personalized recommendations and pricing strategies.
  • Logistics and supply chain management: Sales forecasters can help optimize logistics and supply chain planning, reducing inventory backlog and transportation costs.
  • Marketing: The sales forecaster can help the marketing team predict market demand and customer behavior and formulate more accurate marketing strategies.

Here is example code for a sales predictor based on Python and the Scikit-learn library, using a model based on polynomial regression:

import pandas as pd
import numpy as np
from sklearn.model_selection import train_test_split
from sklearn.preprocessing import PolynomialFeatures
from sklearn.linear_model import LinearRegression
from sklearn.metrics import mean_squared_error, r2_score

# 加载数据
df = pd.read_csv('sales_data.csv')

# 分离特征和标签
X = df.drop(['sales'], axis=1).values
y = df['sales'].values

# 将数据分为训练集和测试集
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=0)

# 特征工程:将特征转化为多项式特征
poly = PolynomialFeatures(degree=2)
X_train_poly = poly.fit_transform(X_train)
X_test_poly = poly.transform(X_test)

# 训练模型
regressor = LinearRegression()
regressor.fit(X_train_poly, y_train)

# 预测结果
y_pred = regressor.predict(X_test_poly)

# 评估模型
mse = mean_squared_error(y_test, y_pred)
rmse = np.sqrt(mse)
r2 = r2_score(y_test, y_pred)
print('Mean Squared Error: {:.2f}'.format(mse))
print('Root Mean Squared Error: {:.2f}'.format(rmse))
print('R^2 Score: {:.2f}'.format(r2))

The above code will sales_data.csvload the sales data from a CSV file named and then split it into a training set and a test set. It then models the sales data using polynomial regression and uses the trained model to predict sales in the test set. Finally, it evaluates the performance of the model using metrics such as mean square error (MSE), root mean square error (RMSE), and R-squared (R^2).

It should be noted that the model in the above code is a basic sales predictor model, and there are still many places that can be optimized and improved, such as feature selection, model selection, model integration, etc.

Regarding the principles of sales predictors based on machine learning, you can refer to the following documents and links:

There are currently many sales predictor products based on machine learning for reference, such as:

There are many products and tools on the market today that can be used for sales forecasting, some of which include:

  1. Salesforce Einstein Analytics: This product provides powerful sales forecasting capabilities based on machine learning algorithms and big data analysis.
  2. Oracle Sales Analytics: This tool provides accurate sales forecasts and insights by analyzing historical sales data and market trends.
  3. IBM Watson Sales Insights: This is a sales forecasting solution based on artificial intelligence and machine learning that can help companies predict sales and optimize sales strategies.
  4. SAS Sales Forecasting: SAS provides a robust set of sales forecasting. Sorry, I cannot provide links to literature material or explain in detail the usage of a specific product because, as an AI model, I do not have access to the internet or the latest product information. I have no updated information after the September 2021 knowledge deadline.

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Origin blog.csdn.net/feng1790291543/article/details/131756622