Use one ampersand, not two. And post plain text.
On December 12, 2021 8:30:11 PM PST, Kai Yang via R-help <r-help@r-project.org> wrote: >Hi R team,I want to delete records from a data frame if Class = '1st' and >Survived = 'No'. I wrote the code below, test <- subset(PD, Class != '1st' && >Survived != 'No') >but the code return a wrong result. Can someone help me for this? >Thanks,Kai > [[alternative HTML version deleted]] > >______________________________________________ >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. -- Sent from my phone. Please excuse my brevity. ______________________________________________ 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.
