data from the sample survey 抽样调查 ; 抽样查询拜访 ; 抽样考察
sample the data 采样数据
sample the data set 构建数据集样本
the data sample and analysis 数据处理与分析
Step 2: Prepare the sample data
步骤 2:准备示例数据
准备示例数据。
For the sample data, a length of 5000 bytes is sufficient.
对于样例数据,5000字节的长度已经足够。
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。
应用推荐