* gnu/packages/java.scm (icedtea6)[outputs]: Use separate outputs for documentation ("doc"), JDK ("jdk"), and JRE ("out"). * gnu/packages/java.scm (ant)[native-inputs]: Reference "jdk" output of icedtea6 package. * gnu/packages/statistics.scm (r)[inputs]: Reference "jdk" output of icedtea6 package.
* gnu/packages/statistics.scm: New file. * gnu-system.am (GNU_SYSTEM_MODULES): Add it * guix/download.scm (%mirrors): Add CRAN mirrors.