With r, you can confirm that values obtained from a PHP math library agree with those obtained from a mature, freely available, open source statistical package.
有了R，可以确定从php数学库获得的值与那些从成熟的免费可用的开放源码统计包中获得的值是否一致。
2
These include statistical databases and the library database.
其中包括统计数据库和图书馆数据库。
3
Through the statistical analysis of the citation to "New Century Library" from 2003 ~ 2004, this paper puts forward some ideas.