Article(id=1214642857441415683, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642851472916876, articleNumber=null, orderNo=null, doi=10.19822/j.cnki.1671-6329.20220312, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1767523024187, onlineDateStr=2026-01-04, pubDate=1701705600000, pubDateStr=2023-12-05, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1767523024187, onlineIssueDateStr=2026-01-04, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1767523024187, creator=13701087609, updateTime=1767523024187, updator=13701087609, issue=Issue{id=1214642851472916876, tenantId=1146029695717560320, journalId=1189645257101713411, year='2023', volume='', issue='12', pageStart='1', pageEnd='62', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1767523022764, creator=13701087609, updateTime=1767533993583, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1214688866469069557, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642851472916876, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1214688866469069558, tenantId=1146029695717560320, journalId=1189645257101713411, issueId=1214642851472916876, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=55, endPage=62, ext={EN=ArticleExt(id=1214642857730822671, articleId=1214642857441415683, tenantId=1146029695717560320, journalId=1189645257101713411, language=EN, title=Research on Multivariable Prediction Model of Passenger Car Sales, columnId=1214642853993693582, journalTitle=Automotive Digest, columnName=Special Topic on Selected Papers from China Automotive Technology and Research Center (CATARC), runingTitle=null, highlight=null, articleAbstract=
In the environment that the passenger car industry is becoming increasingly prosperous, it is crucial for each automobile enterprise to accurately grasp the development direction of the industry and formulate suitable production goals. In this paper, historical sales, macroeconomic indicators and online search keyword data are selected as variables to establish a variety of sales prediction models for the overall passenger car market in order to improve the prediction accuracy of passenger car sales. Through comparative analysis, the Gradient Boosting Decision Tree (GDBT) algorithm model considering the above 3 variables has the best effect and its Mean Absolute Percentage Error (MAPE) is 10.35%. The model obtained in this paper can help automobile enterprises understand the development of market trends, make targeted production planning and provide a new reference model for the research of sales forecast.
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在乘用车行业日渐繁荣的大环境下,准确把握行业发展方向,制定相适应的生产目标对各个车企来说非常重要。为了提高对乘用车销量的预测精度,选取历史销量、宏观经济指标和网络搜索关键词数据作为变量,对乘用车整体市场建立了多种销量预测模型,并经过对比分析得到综合考虑上述3种变量的梯度提升决策树模型效果最优,其平均绝对百分误差(MAPE)为10.35%,能够较好地预测销量变化。该模型可以帮助车企了解市场趋势,做出针对性的生产计划安排,同时为销量预测的研究提供一种新的参考模型。
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, authorsList=段昊江, 吴冰)}, authors=[Author(id=1215266333932049260, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642857441415683, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=2230398@tongji.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1215266334032712559, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642857441415683, authorId=1215266333932049260, language=EN, stringName=Haojiang Duan, firstName=Haojiang, middleName=null, lastName=Duan, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=School of Economics and Management, Tongji University, Shanghai 201800, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1215266334104015731, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642857441415683, authorId=1215266333932049260, language=CN, stringName=段昊江, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=同济大学经济与管理学院, 上海 201800, bio={"content":"
段昊江,同济大学经济与管理学院,硕士研究生,研究方向:商务智能。E-mail:2230398@tongji.edu.cn;
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段昊江,同济大学经济与管理学院,硕士研究生,研究方向:商务智能。E-mail:2230398@tongji.edu.cn;
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吴冰,同济大学经济与管理学院,副教授,硕士生导师,研究方向:商务智能、社交媒体。E-mail:wubingsem@tongji.edu.cn
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吴冰,同济大学经济与管理学院,副教授,硕士生导师,研究方向:商务智能、社交媒体。E-mail:wubingsem@tongji.edu.cn
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36(3): 369-374., articleTitle=基于SVR的非线性时间序列预测方法应用综述, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1215266333734916966, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642857441415683, xref=null, ext=[AuthorCompanyExt(id=1215266333743305575, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642857441415683, companyId=1215266333734916966, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=School of Economics and Management, Tongji University, Shanghai 201800), AuthorCompanyExt(id=1215266333751694184, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642857441415683, companyId=1215266333734916966, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=同济大学经济与管理学院, 上海 201800)])], figs=[ArticleFig(id=1215266335295198116, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642857441415683, language=EN, label=null, caption=null, figureFileSmall=ZOPHOXvmG1AU2uW0ZoRDUA==, figureFileBig=tXeC9t2tCIrjB5NXTgv7kQ==, tableContent=null), ArticleFig(id=1215266335362306982, tenantId=1146029695717560320, journalId=1189645257101713411, articleId=1214642857441415683, language=CN, label=图1, caption=
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| 变量类型 | 变量符号 | 变量描述 |
| 因变量 | Xt | 第t期销量 |
| 自变量 | Xt-b | 第t-b期销量(b是季节变化周期) |
| CPIt | 第t期的消费者物价指数 |
| $92{\#}_{t}$ | 第t期的92号汽油价格 |
| Searchit | 第t期的第i个百度指数 |
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销量预测模型涉及变量
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| 变量类型 | 变量符号 | 变量描述 |
| 因变量 | Xt | 第t期销量 |
| 自变量 | Xt-b | 第t-b期销量(b是季节变化周期) |
| CPIt | 第t期的消费者物价指数 |
| $92{\#}_{t}$ | 第t期的92号汽油价格 |
| Searchit | 第t期的第i个百度指数 |
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| 时间 | CPI | 92号汽油价格/元·L-1 |
| 2021年1月 | 99.7 | 5.95 |
| 2021年2月 | 99.8 | 6.16 |
| 2021年3月 | 100.4 | 6.69 |
| 2021年4月 | 100.9 | 6.6 |
| 2021年5月 | 101.3 | 6.76 |
| 2021年6月 | 101.1 | 6.9 |
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宏观经济样本数据表(部分数据)
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| 时间 | CPI | 92号汽油价格/元·L-1 |
| 2021年1月 | 99.7 | 5.95 |
| 2021年2月 | 99.8 | 6.16 |
| 2021年3月 | 100.4 | 6.69 |
| 2021年4月 | 100.9 | 6.6 |
| 2021年5月 | 101.3 | 6.76 |
| 2021年6月 | 101.1 | 6.9 |
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| 时间 | 乘用车 | 商用车 | 二手汽车市场 | 汽车油耗 |
| 2021年1月 | 9 211 | 9 721 | 547 | 7 504 |
| 2021年2月 | 6 502 | 7 892 | 678 | 6 767 |
| 2021年3月 | 9 111 | 10 551 | 1 810 | 8 292 |
| 2021年4月 | 8 703 | 9 560 | 1 392 | 8 608 |
| 2021年5月 | 8 525 | 9 343 | 2 607 | 7 428 |
| 2021年6月 | 7 953 | 8 864 | 1 992 | 6 605 |
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网络搜索关键词百度指数数据表(部分数据)
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| 时间 | 乘用车 | 商用车 | 二手汽车市场 | 汽车油耗 |
| 2021年1月 | 9 211 | 9 721 | 547 | 7 504 |
| 2021年2月 | 6 502 | 7 892 | 678 | 6 767 |
| 2021年3月 | 9 111 | 10 551 | 1 810 | 8 292 |
| 2021年4月 | 8 703 | 9 560 | 1 392 | 8 608 |
| 2021年5月 | 8 525 | 9 343 | 2 607 | 7 428 |
| 2021年6月 | 7 953 | 8 864 | 1 992 | 6 605 |
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| 关键词 | 相关系数 | 先行阶数/阶 | 关键词 | 相关系数 | 先行阶数/阶 |
| 乘用车 | 0.381 222 | 6 | 商用车 | 0.330 239 | 1 |
| 汽车保险费用 | 0.386 819 | 1 | 汽车油耗 | 0.389 124 | 1 |
| 宝腾 | 0.408 190 | 5 | 电动汽车 | 0.319 744 | 1 |
| 一汽大众公司 | 0.388 478 | 1 | 家用车推荐 | 0.355 112 | 6 |
| 二手汽车市场 | 0.387 466 | 6 | 汽车工业协会 | 0.300 430 | 1 |
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关键词百度指数数据时差关系分析结果(部分数据)
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| 关键词 | 相关系数 | 先行阶数/阶 | 关键词 | 相关系数 | 先行阶数/阶 |
| 乘用车 | 0.381 222 | 6 | 商用车 | 0.330 239 | 1 |
| 汽车保险费用 | 0.386 819 | 1 | 汽车油耗 | 0.389 124 | 1 |
| 宝腾 | 0.408 190 | 5 | 电动汽车 | 0.319 744 | 1 |
| 一汽大众公司 | 0.388 478 | 1 | 家用车推荐 | 0.355 112 | 6 |
| 二手汽车市场 | 0.387 466 | 6 | 汽车工业协会 | 0.300 430 | 1 |
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| 特征方差占比 | 累积占比 |
| 第1主成分 | 0.685 430 | 0.685 430 |
| 第2主成分 | 0.260 600 | 0.946 030 |
| 第3主成分 | 0.033 656 | 0.979 686 |
| …… | …… | …… |
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百度指数数据主成分分析结果
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| 特征方差占比 | 累积占比 |
| 第1主成分 | 0.685 430 | 0.685 430 |
| 第2主成分 | 0.260 600 | 0.946 030 |
| 第3主成分 | 0.033 656 | 0.979 686 |
| …… | …… | …… |
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| 模型 | 使用变量 | MAPE/% |
| 模型1 | 历史销量 | 14.37 |
| 模型2 | 历史销量、宏观经济指标 | 12.71 |
| 模型3 | 历史销量、宏观经济指标和网络搜索关键词 | 10.35 |
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GDBT模型预测的MAPE指标结果
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| 模型 | 使用变量 | MAPE/% |
| 模型1 | 历史销量 | 14.37 |
| 模型2 | 历史销量、宏观经济指标 | 12.71 |
| 模型3 | 历史销量、宏观经济指标和网络搜索关键词 | 10.35 |
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| SARIMA模型 | SVR模型 | GDBT模型 |
| MAPE | 17.72 | 16.07 | 10.35 |
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不同模型预测的MAPE对比 %
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| SARIMA模型 | SVR模型 | GDBT模型 |
| MAPE | 17.72 | 16.07 | 10.35 |
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