Interesting. For me, the install bombed with the lattice package (error highlighted below):

 

> install_github("https://github.com/IQSS/cem.git")

WARNING: Rtools is required to build R packages, but is not currently installed.

 

Please download and install Rtools 4.0 from https://cran.r-project.org/bin/windows/Rtools/.

Downloading GitHub repo IQSS/cem@HEAD

Installing 4 packages: Matching, randomForest, combinat, MatchIt

Installing packages into ‘C:/Users/awells/OneDrive - PopHealthCare/Documents/R/win-library/4.0’

(as ‘lib’ is unspecified)

trying URL 'https://cran.rstudio.com/bin/windows/contrib/4.0/Matching_4.9-7.zip'

Content type 'application/zip' length 1237996 bytes (1.2 MB)

downloaded 1.2 MB

 

trying URL 'https://cran.rstudio.com/bin/windows/contrib/4.0/randomForest_4.6-14.zip'

Content type 'application/zip' length 249367 bytes (243 KB)

downloaded 243 KB

 

trying URL 'https://cran.rstudio.com/bin/windows/contrib/4.0/combinat_0.0-8.zip'

Content type 'application/zip' length 42708 bytes (41 KB)

downloaded 41 KB

 

trying URL 'https://cran.rstudio.com/bin/windows/contrib/4.0/MatchIt_3.0.2.zip'

Content type 'application/zip' length 451985 bytes (441 KB)

downloaded 441 KB

 

package ‘Matching’ successfully unpacked and MD5 sums checked

package ‘randomForest’ successfully unpacked and MD5 sums checked

package ‘combinat’ successfully unpacked and MD5 sums checked

package ‘MatchIt’ successfully unpacked and MD5 sums checked

 

The downloaded binary packages are in

C:\Users\awells\AppData\Local\Temp\RtmpWOLJ6z\downloaded_packages

WARNING: Rtools is required to build R packages, but is not currently installed.

 

Please download and install Rtools 4.0 from https://cran.r-project.org/bin/windows/Rtools/.

√  checking for file 'C:\Users\awells\AppData\Local\Temp\RtmpWOLJ6z\remotes5b9c409c5acb\IQSS-cem-de93f7e/DESCRIPTION' (436ms)

-  preparing 'cem':

√  checking DESCRIPTION meta-information ...

-  checking for LF line-endings in source and make files and shell scripts

-  checking for empty or unneeded directories

-  looking to see if a 'data/datalist' file should be added

-  building 'cem_1.1.27.tar.gz'

  

Installing package into ‘C:/Users/awells/OneDrive - PopHealthCare/Documents/R/win-library/4.0’

(as ‘lib’ is unspecified)

* installing *source* package 'cem' ...

** using staged installation

** R

** data

** inst

** byte-compile and prepare package for lazy loading

Error: (converted from warning) package 'lattice' was built under R version 4.0.3

Execution halted

ERROR: lazy loading failed for package 'cem'

* removing 'C:/Users/awells/OneDrive - PopHealthCare/Documents/R/win-library/4.0/cem'

Error: Failed to install 'cem' from GitHub:

  (converted from warning) installation of package ‘C:/Users/awells/AppData/Local/Temp/RtmpWOLJ6z/file5b9c26a6ffc/cem_1.1.27.tar.gz’ had non-zero exit status

 

 

 

WARNING: this email originated from outside of the organization. Please use CAUTION before clicking on links, opening attachments, or providing any information.