Sample and data collection procedures 抽样和数据收集规程
Interviews and catalogue data sample 采访及编目数据样本
data sample and store 数据采集存储
the data sample and analysis 数据处理与分析
data sample and analysis software 数据处理与分析软件
Now you need to create the database tables and some sample data.
现在需要创建数据库表和一些样例数据。
Also, download the sample data and configuration script included with this article.
另外,下载本文附带的示例数据和配置脚本。
Now, let's define some sample data and tables so that we can look at concrete query examples.
现在,让我们来定义一些示例数据和表,以查看具体的查询示例。
They might say my sample period was off, ... but that's what the theory-- ... using my data for the sample period that I computed-- the expected returns and co-variances says one should do.
他们可能说我的采样周期是有问题的,不过我的结果都是靠理论-,我采用自己收集的数据计算出-,预期收益和协方差可以用来指导我们的投资行为。
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