A simple logging system for R, based on log4j logr4 provides an object-oriented logging system that uses an API roughly equivalent to log4j and its related variants. Software Suggests: testthat John Myles White <jmw@johnmyleswhite.com> John Myles White Artistic-2.0 2012-03-01 application/tgz http://CRAN.R-project.org/package=log4r