> # 查詢 solve 函數
> help(solve) # 用法 1
> ?solve # 用法 2
> # assignment 動作 (不會顯示結果)
> a <- 1
>
> # expression 動作 (會顯示結果)
> a + 1
[1] 2
>
> objects() # 用法 1
[1] "a" "chat"
[3] "check_then_install" "check_then_install_github"
[5] "issue" "source_by_l10n_info"
>
> ls() # 用法 2
[1] "a" "chat"
[3] "check_then_install" "check_then_install_github"
[5] "issue" "source_by_l10n_info"
>
> objects() # 查詢所有環境的物件
[1] "chat" "check_then_install"
[3] "check_then_install_github" "issue"
[5] "source_by_l10n_info"
>
> # 用 "rm()" 移除物件
> rm(chat) # 移除"chat"
> rm(issue) # 移除"issue"
>
> objects() # 再次查詢環境
[1] "check_then_install" "check_then_install_github"
[3] "source_by_l10n_info"
>
簡報網址:https://shouzo.github.io/collections/clubs/20160829-about-dreams.html#/
SlideShare:http://www.slideshare.net/danny200026/20160829-loading
[畫面預覽]
簡報網址:https://shouzo.github.io/collections/clubs/20160803-clubs-share.html#/
SlideShare:http://www.slideshare.net/danny200026/20160803-64538046
[畫面預覽]
簡報網址:https://shouzo.github.io/collections/clubs/20160802-about-university.html#/
SlideShare:http://www.slideshare.net/danny200026/20160802-64603608
[畫面預覽]