加载多个包并抑制消息

Question

阅读这篇文章.而这一个.

我想同时在oner和supress suppressPackageStartupMessages中加载包.

第一个链接中的答案使用了lapply:

packages <- c("tidyverse", "qdap", "stringr", "stringi", "textstem", "foreach", "caret", "xgboost", "quanteda")
lapply(packages, require, character.only = T)

这会向控制台返回一个难看的列表:

[[1]]
[1] TRUE

[[2]]
[1] TRUE

[[3]]
[1] TRUE

[[4]]
[1] TRUE

另外,我还想摆脱那些在加载时发送到控制台的消息,例如

> library(tidyverse)
Loading tidyverse: ggplot2
Loading tidyverse: dplyr
Conflicts with tidy packages --------------------------------------------------------------------
accumulate(): purrr, foreach
filter():     dplyr, stats
lag():        dplyr, stats
when():       purrr, foreach

是否有一个聪明,简短的方法来加载包的向量和suppressPackageStartupMessages？

Answer 1

你可以执行以下操作

suppressPackageStartupMessages({
    library(ggplot2)
    library(tidyr)
})

Answer 2

我会选择：

packages <- c("tidyverse", "qdap", "stringr", "stringi", "textstem", "foreach", "caret", "xgboost", "quanteda")

zzz<-lapply(packages, function(xxx) suppressMessages(require(xxx, character.only = TRUE,quietly=TRUE,warn.conflicts = FALSE)))

Answer 3

要摆脱包消息，您可以使用suppressPackageStartupMessages()或者可以使用以下quietly = T选项：

packages <- c("tidyverse","stringr")
lapply(packages, function(x)require(x, character.only = T, quietly = T))

要摆脱列表输入，您可以将整个内容包装在函数中invisible()：

packages <- c("tidyverse","stringr")
invisible(lapply(packages, function(x) require(x, character.only = T, quietly = T)))

Answer 4

一种选择是

pacman::p_load(packages)