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)
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