Finally, the sampling techniques and data analysis methods are used in Xining City resident tripsurvey practice, achieves good results.
最后将本文的抽样技术和数据分析方法应用于西宁市居民出行调查的具体实践中，取得了良好的效果。
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This paper will research sampling technique and data processing, aims at improvement of existing methods and improves the resident tripsurvey technique.
The residents' tripsurvey and intersection traffic flow investigation in Shangyu city has been carried out, and reliable road network improvement programs been developed.