This lesson requires the ‘dplyr’ package. ...

Question

Either

Or go back and first do

| This lesson requires the ‘dplyr’ package. Would you like me to install it for
| you now?

1: Yes
2: No

Selection: 1

| Trying to install package ‘dplyr’ now...
package ‘dplyr’ successfully unpacked and MD5 sums checked

| Could not install package ‘dplyr’!

  |                                                                            
  |                                                                      |   0%Error in seq.default(0, 1, length.out = nrow(e$les)) : 
  argument 'length.out' must be of length 1

| Leaving swirl now. Type swirl() to resume.

and

> library(dplyr)
Error: package or namespace load failed for ‘dplyr’ in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]):
 namespace ‘rlang’ 0.4.5 is already loaded, but >= 0.4.6 is required 

then

install

Answer 1

to load. It's tedious but do-able.

install.packages("dplyr", dependencies = TRUE)

https:

install.pacakges("rlang")

我目前正在通过swirl包练习R编程。我在其中一门课程的安装步骤中卡住了，出现了以下错误。即使我试着手动安装它并成功，我也因为以下错误而无法加载它。dplyr我已经尝试删除、重新安装和更新软件包。但似乎没有任何效果。请帮助我

tidyverse

我目前正在通过swirl包练习R编程。而我在其中一门课程的安装步骤上卡住了，出现以下错误。/www.google.comsearch?source=univ&tbm=isch&q=welcome+to+hell.+here%27s+your+banjo&client=firefox-b-1-e&sa=X&ved=2ahUKEwi2wMPGosnpAhWSIDQIHX7JBC0QsAR6BAgIEAE&biw=1600&bih=805#imgrc=mlE1KJg7CKY-5M。