On Sat, 21 Mar 2020 20:01:30 -0700 Thomas Subia via R-help <r-help@r-project.org> wrote:
> Serial_test is a pass, when all of the Meas_test are pass for a given > serial. Else Serial_test is a fail. Use by/tapply in base R or dplyr::group_by if you prefer tidyverse packages. -- Best regards, Ivan ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
