The data mart tier contains all the data marts, which are subsets of the data repository module, made simple enough for specific groups of end users to use in their data analysis activities.

数据集市层包含所有的数据集市，这些数据集市是数据存储库模块的子集，以便特定的终端用户组在其数据分析活动中使用起来足够简单。

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During business analysis and design, you should put different data retrieval or change groups into different domain entities instead of using this fetching.

在业务分析和设计过程中，你应该将不同数据获取或修改分组放到不同的领域对象实体中，而不是使用这种抓取策略。

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A well-designed experiment calls for a range of treatments, explicit control groups, and careful post-treatment analysis.

一个设计完美的试验需要一系列的处理，明晰的控制分配和处理后仔细的分析。

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Seasonal analysis of the various industry groups shows that the Market Vectors Semiconductor ETF ( SMH) typically bottoms in October and then has a last surge to the upside in March and April before it typically tops out.

FORBES: Leap Year Has Bullish Tilt for March

It was more common for identical twins to both have Alzheimer's compared to non-identical, and a statistical analysis of risk rates in the groups gave the researchers their estimate of how significant genetic factors are.

BBC: NEWS | Health | Alzheimer's risk 'is 80% genetic'

The 5% sample was too small to allow a detailed analysis of the treatment patterns of distinct urology groups.

WSJ: How The Wall Street Journal Crunched the Medicare Numbers