Post #546843 1 Oct 16, 2026, 06:30 UTC 【GEO数据库挖掘】二、ID转换via 简书 Telegraph 【GEO数据库挖掘】二、ID转换 相关原始代码在这里: https://github.com/jmzeng1314/5years/blob/master/learn-R/tasks/3-r-20-codes.R 1 查看表达矩阵 https://www.jianshu.com/p/b69f1c84ecaa下载了数据并导入R,我们查看一下新建立的a data的具体内容: > class(a)[1] "data.frame"> str(a)'data.frame': 33297 obs. of 7 variables: $ X.ID_REF.…