你即將離開本站

並前往https://books.google.com.tw/books?id=grfuq1twFe4C&pg=PA95&lpg=PA95&dq=r+grep+data+frame&source=bl&ots=muYKW8TONy&sig=ACfU3U3K5sMPeO7e9aOopYWvcopdBlCTlQ&hl=zh-TW&sa=X&ved=2ahUKEwiFxbv-6cv0AhWkD7kGHSZOB9QQ6AF6BQitAhAD

Data Manipulation with R - 第 95 頁 - Google 圖書結果

One important use of grep is to extract a set of variables from a data frame based on their names. For example, the LifeCycleSavings data frame contains two ...

確定！ 回上一頁

查詢 「R grep data frame」的人也找了：

  1. Grep
    2.
  2. r grepl column
    3.
  3. R grep multiple patterns
    4.
  4. R select grep
    5.
  5. R filter grepl
    6.
  6. R filter dataframe
    7.
  7. R grep not match
    8.
  8. R Which dataframe
    9.