On the basis of the nonparametric feature of traffic safety data, principal curve was applied to analyzing the tremendous traffic safety data in this paper.
针对交通安全数据的非参数性，将主曲线方法应用于交通安全数据分析。
On the basis of the nonparametric feature of traffic safety data, principal curve was applied to analyzing the tremendous traffic safety data in this paper.
针对交通安全数据的非参数性，将主曲线方法应用于交通安全数据分析。
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