What is the expected frequency of the data updates in the data warehouse?
数据仓库中数据更新的期望频率是多少？
When the table contains more than one cell with an expected frequency of less than 5, we can combine these in order to get an expected frequency of 5 or more.
当表中的期望频率小于5的项多于一个，可以把它们加以合并，以使期望频率大于等于5。
When the table contains more than one cell with an expected frequency of less than 5, we can combine these in order to get an expected frequency of 5 or more.
当表中的期望频率小于5的项多于一个，可以把它们加以合并，以使期望频率大于等于5。
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