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固定样本数据分析
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固定样本数据分析
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panel data analysis
固定样本数据分析
一种纵向数据[注],是通过在不同时期针对同一样本进行多次资料收集获得的数据。由于固定样本数据的特点,其不仅可以像使用趋势数据一样用于了解一般趋势,也可以通过各种固定样本数据分析方法追溯各个个案的变化情况。
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