aggregation matrix

例句：

1. 1. In the study of data analysis, an aggregation matrix is used to summarize the results of multiple experiments.
   在数据分析研究中，聚合矩阵用于总结多个实验的结果。
2. 2. The aggregation matrix helps us to understand the distribution of data across different categories.
   聚合矩阵帮助我们了解数据在不同类别之间的分布情况。
3. 3. The aggregation matrix was created using software that allowed for easy manipulation and analysis of largedatasets.
   聚合矩阵是通过一种软件创建的，该软件允许轻松处理和分析大型数据集。