RCurl在R中安装失败的解决办法

install.packages(RCurl)  # 安装失败

1. RCurl包网址：

https://cran.r-project.org/web/packages/RCurl/index.html

下载ZIP格式的win版本；

2， 使用本地安装办法安装RCurl

install.packages("D:/R-4.0.3/library/RCurl_1.98-1.3.zip", repos = NULL, type = "win.binary")

#package ‘RCurl’ successfully unpacked and MD5 sums checked

install.packages("bitops")

3. 成功

library(RCurl)