细胞生物学家大卫·沃克斯表示，人们期望专业科学家知道如何分析数据，但令人担忧的是，在已发表的研究报告中，统计误差非常普遍。
Professional scientists are expected to know how to analyze data, but statistical errors are alarmingly common in published research, according to David Vaux, a cell biologist.
数据统计信息中的变化会引起对存取方案的选择发生变化，该存取方案作为访问所期望数据的最有效方法。
A change in the data statistics can result in a change in the choice of access plan selected as the most efficient method of accessing the desired data.
期望服务和用户群统计。
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