无法安装Github Quandl

Question

当我尝试安装quandl时，它显示了这个错误消息。有人能帮上忙吗？

> install_github("quandl/R-package")
Downloading GitHub repo quandl/R-package@master
Installing Quandl
Installing 1 packages: stringi
package ‘stringi’ successfully unpacked and MD5 sums checked
Warning: cannot remove prior installation of package ‘stringi’
"C:/PROGRA~1/R/R-32~1.2/bin/x64/R" --no-site-file --no-environ --no-save --no-restore CMD INSTALL  \
  "C:/Users/saikitti/AppData/Local/Temp/RtmpqoWawf/devtools25b4184b2cd/quandl-quandl-r-9182d61"  \
  --library="C:/Users/saikitti/Documents/R/win-library/3.2" --install-tests 

* installing *source* package 'Quandl' ...
** R
** tests
** preparing package for lazy loading
Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) : 
  there is no package called 'stringi'
ERROR: lazy loading failed for package 'Quandl'
* removing 'C:/Users/saikitti/Documents/R/win-library/3.2/Quandl'
Error: Command failed (1)

Answer 1

你错过了一个Depends:：

 there is no package called 'stringi' 

但是Quandl在CRAN上，你为什么不做install.packages("Quandl")呢？