随笔档案「2013年1月8日」：Computing for Data Analysis by Roger D. ... - shirley_cst

2013年1月8日

Computing for Data Analysis by Roger D. Peng @ Hopkins: Notes -- Data Types and Basic Operations

摘要： Overview and History of RR vs. SIntroduction to the R LanguageData Types and Basic Operations1. Data Types (1) Five basic/atomic classes of objects: numeric, integer, complex, character, logic (2) Objects a. vector vs. list b. matrice vs. data.frame c. factors (3) Numbers a. numeric v... 阅读全文

posted @ 2013-01-08 00:20 shirley_cst 阅读(214) 评论(0) 推荐(0)