《Table 2 Coordinate statistics of three batches of traditional villages》

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《中国2555个传统村落空间分布数据集》

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The village coordinate data extracted according to the above methods is shown in Table 2.It can be seen that in the first，second and third groups of traditional villages，the number of villages whose coordinates were directly collected from map and images or taken from the geometric center accounted for 79%，64%，and 82%of the total number of villages published in three batches，respectively.The number of villages whose coordinate was replaced by the higher authorities’coordinates accounted for 21%，36%，and 18%，respectively，and the average value of the three batches was about 25%，which was relatively small.It can be considered that the impact on the overall results of the study is limited.