install.packages("swirl")
有二进制版本可用,但源版本更高:
binary source needs_compilation swirl 2.4.3 2.4.5 FALSE
安装源文件“ swirl”
尝试网址“ https://cran.rstudio.com/src/contrib/swirl_2.4.5.tar.gz” 内容类型'application / x-gzip'长度108847字节(106 KB)
================================================ ===下载106 KB
strptime(xx,f <-“%Y-%m-%d%H:%M:%OS”,tz = tz)警告:
未知时区'zone / tz / 2019c.1.0 / zoneinfo / America / Mexico_City'
*安装 source 包“ swirl” ...
**包裹“ swirl”已成功解压,并检查了MD5总和
** R
** inst
**准备要延迟加载的软件包loadNamespace(i,c(lib.loc,.libPaths()),versionCheck = vI [[i]])中的错误:
正在加载命名空间“ stringi” 1.1.5,但需要> = 1.1.7
错误:
软件包“ swirl”的延迟加载失败
*删除“ /Library/Frameworks/R.framework/Versions/3.4/Resources/library/swirl”
install.packages中的警告:
软件包“ swirl”的安装退出状态为非零已下载的源包位于
/ private / var / folders / cv / ppslc7x52tbdh_xg5xg8_qtm0000gn / T / Rtmp2ZFFky / downloaded_packages