例如，分销渠道描述行为数据，而国籍则描述人口统计属性。

For example, the distribution channels describe behavioral data, and the country describes a demographic property.

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为了能估计流量总体统计属性，抽样样本需要具有统计随机性。

And in order to estimate the character of traffic statistics, the traffic sample should be random in statistics.

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最佳实践是首先要根据客户的行为来细分客户，然后再联接此信息到人口统计属性。

A best practice is to first segment customers according to their behavior and then link this information to demographic properties.

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