> On 17 Jul 2017, at 07:27, Jeremie Juste <jeremieju...@gmail.com> wrote: > > > Hello, > > I have some trouble understanding why !b &&TRUE is TRUE. Do you have an idea? > > >> b <- matrix(c(0,1,1,0,1,0),2) > >> !b > [,1] [,2] [,3] > [1,] TRUE FALSE FALSE > [2,] FALSE TRUE TRUE >> !b &&TRUE > [1] TRUE >
Read the help for &&. You can see it like this: ?`&&` Try !b[1] && TRUE and !b[2] && TRUE Berend hasselman > Best regards, > > Jeremie > > ______________________________________________ > 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. ______________________________________________ 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.