r require
The require() is designed to be used inside functions as it gives a warning message and returns a logical value say, FALSE if the requested ..., Both require() and library() can load (strictly speaking, attach) an R package. Why should not one use require() ? The answer is pretty simple., Ladies and gentlemen, I've said this before: require() is the wrong way to load an R package; use library() instead #useR2014. — Yihui Xie ..., require(ggplot2)) warning("Please install the 'ggplot2' package.") } 搜尋路徑. 若想查詢目前所有被載入的套件列表,可以使用 search 函數列出所有 ...,Require(package, bundle = NULL, quietly = FALSE, warn.conflicts = TRUE, keep.source = getOption("keep.source.pkgs"), character.only = FALSE, version, save ... , library和require都可以载入包,但二者存在区别。 在一个函数中,如果一个包不存在,执行到library将会停止执行,require则会继续执行。, Summarizing @Yihui's blog post: "Ladies and gentlemen, I've said this before: require() is the wrong way to load an R package; use library() ...,透過右下角Package,將要載入的package 打勾即可。 在console 輸入指令載入. > library(ggplot2) # ggplot2 一個畫圖套件。 > require(ggplot2) # library 與require 都 ... , require("oasis"). 這兩種方式都可以載入套件,如果是寫在一個R script最前面的話,會使用library;若是在函 ...
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r require 相關參考資料
DIFFERENCE BETWEEN library() AND require() IN R | R ...
The require() is designed to be used inside functions as it gives a warning message and returns a logical value say, FALSE if the requested ... https://www.r-bloggers.com library() vs require() in R - Yihui Xie | 谢益辉
Both require() and library() can load (strictly speaking, attach) an R package. Why should not one use require() ? The answer is pretty simple. https://yihui.org library() vs require() in R | R-bloggers
Ladies and gentlemen, I've said this before: require() is the wrong way to load an R package; use library() instead #useR2014. — Yihui Xie ... https://www.r-bloggers.com R 套件- G. T. Wang
require(ggplot2)) warning("Please install the 'ggplot2' package.") } 搜尋路徑. 若想查詢目前所有被載入的套件列表,可以使用 search 函數列出所有 ... https://blog.gtwang.org Require function | R Documentation
Require(package, bundle = NULL, quietly = FALSE, warn.conflicts = TRUE, keep.source = getOption("keep.source.pkgs"), character.only = FALSE, version, save ... https://www.rdocumentation.org R中library和require的区别- todoit - 博客园
library和require都可以载入包,但二者存在区别。 在一个函数中,如果一个包不存在,执行到library将会停止执行,require则会继续执行。 https://www.cnblogs.com What is the difference between require() and library()? - Stack ...
Summarizing @Yihui's blog post: "Ladies and gentlemen, I've said this before: require() is the wrong way to load an R package; use library() ... https://stackoverflow.com 安裝載入package · R Basic - Joe
透過右下角Package,將要載入的package 打勾即可。 在console 輸入指令載入. > library(ggplot2) # ggplot2 一個畫圖套件。 > require(ggplot2) # library 與require 都 ... https://joe11051105.gitbooks.i 阿就操場啊~: R語言中安裝與載入套件(Package)
require("oasis"). 這兩種方式都可以載入套件,如果是寫在一個R script最前面的話,會使用library;若是在函 ... https://2formosa.blogspot.com |