Cannot Install h2oEnsemble - r

Question

Hi hereunder a problem when I try to install h2oEnsemble. I don't know to fix this. PLease help.
My goal here is to run this exemple:
https://github.com/h2oai/h2o-world-2015-training/blob/master/tutorials/ensembles-stacking/ensembles-stacking.R
> library(devtools)
Warning message:
le package ‘devtools’ a été compilé avec la version R 3.1.3
> install_github("h2oai/h2o-3/h2o-r/ensemble/h2oEnsemble-package")
Downloading GitHub repo h2oai/h2o-3#master
Error in loadNamespace(name) : there is no package called ‘RCurl’
> install.packages("RCurl")
trying URL 'http://cran.rstudio.com/bin/windows/contrib/3.1/RCurl_1.95-4.7.zip'
Content type 'application/zip' length 2858866 bytes (2.7 Mb)
opened URL
downloaded 2.7 Mb
Warning in install.packages :
downloaded length 2858866 != reported length 2858866
package ‘RCurl’ successfully unpacked and MD5 sums checked
The downloaded binary packages are in
C:\Users\Djilo\AppData\Local\Temp\RStudioPortableTemp\RtmpmQLJyE\downloaded_packages
> install_github("h2oai/h2o-3/h2o-r/ensemble/h2oEnsemble-package")
Downloading GitHub repo h2oai/h2o-3#master
Installing h2oEnsemble
Installing 1 packages: RCurl
package ‘RCurl’ successfully unpacked and MD5 sums checked
Warning: cannot remove prior installation of package ‘RCurl’
"E:/DATAMI~3/R-PORT~1/App/R-PORT~1/bin/x64/R" --no-site-file --no-environ --no-save --no-restore CMD INSTALL \
"C:/Users/Djilo/AppData/Local/Temp/RStudioPortableTemp/RtmpmQLJyE/devtools177417c33da9/h2oai-h2o-3-7eaa37a/h2o-r/ensemble/h2oEnsemble-package" --library="E:/Data \
Mining - R/R-Portable/App/R-Portable/library" --install-tests
installing source package 'h2oEnsemble' ...
** R
** tests
** preparing package for lazy loading
Avis : package 'statmod' was built under R version 3.1.3
Error in loadNamespace(i, c(lib.loc, .libPaths()), versionCheck = vI[[i]]) :
there is no package called 'RCurl'
Error : package 'h2o' could not be loaded
ERROR: lazy loading failed for package 'h2oEnsemble'
removing 'E:/Data Mining - R/R-Portable/App/R-Portable/library/h2oEnsemble'
Error: Command failed (1)
In addition: Warning message:
In download.file(url, destfile, method, mode = "wb", ...) :
downloaded length 2858866 != reported length 2858866

Answer 1

This question was resolved when the user successfully upgraded their H2O installation. If you don't kill your currently running H2O instance before upgrading, the upgrade may fail.