试开URL’https://raw.githubusercontent.com/gagolews/stringi/master/src/icu69/data/icu4c-69_1-data-bin-l.zip'

Warning in download.file(paste(href, fname, sep = ""), icudtzipfname, mode = "wb") :

 InternetOpenUrl失败:’无法解析服务器的名称或地址'

Error in download.file(paste(href, fname, sep = ""), icudtzipfname, mode = "wb"): 无法打开URL'https://raw.githubusercontent.com/gagolews/stringi/master/src/icu69/data/icu4c-69_1-data-bin-l.zip'

试开URL’http://raw.githubusercontent.com/gagolews/stringi/master/src/icu69/data/icu4c-69_1-data-bin-l.zip'

Warning in download.file(paste(href, fname, sep = ""), icudtzipfname, mode = "wb") :

 InternetOpenUrl失败:’无法解析服务器的名称或地址'

Error in download.file(paste(href, fname, sep = ""), icudtzipfname, mode = "wb"): 无法打开URL'http://raw.githubusercontent.com/gagolews/stringi/master/src/icu69/data/icu4c-69_1-data-bin-l.zip'

icudt download failed

Error in eval(ei, envir) : 

 icudt could not be downloaded. check your internet connectivity

* removing 'C:/Program Files/R/R-4.0.4/library/stringi'

Warning in install.packages :

 installation of package ‘stringi’ had non-zero exit status

ERROR: dependency 'stringi' is not available for package 'stringr'

* removing 'C:/Program Files/R/R-4.0.4/library/stringr'

Warning in install.packages :

 installation of package ‘stringr’ had non-zero exit status

ERROR: dependency 'stringr' is not available for package 'knitr'

* removing 'C:/Program Files/R/R-4.0.4/library/knitr'

Warning in install.packages :

 installation of package ‘knitr’ had non-zero exit status

ERROR: dependencies 'stringr', 'knitr' are not available for package 'htmlTable'

* removing 'C:/Program Files/R/R-4.0.4/library/htmlTable'

Warning in install.packages :

 installation of package ‘htmlTable’ had non-zero exit status

ERROR: dependency 'htmlTable' is not available for package 'Hmisc'

* removing 'C:/Program Files/R/R-4.0.4/library/Hmisc'

Warning in install.packages :

 installation of package ‘Hmisc’ had non-zero exit status

ERROR: dependencies 'Hmisc', 'htmlTable' are not available for package 'rms'

* removing 'C:/Program Files/R/R-4.0.4/library/rms'

Warning in install.packages :

 installation of package ‘rms’ had non-zero exit status