No homework. Just a genuine question On 23 July 2017 at 22:00, Bert Gunter <[email protected]> wrote: > Homework?? There is a no homework policy on this list. > > Cheers, > Bert > Bert Gunter > > "The trouble with having an open mind is that people keep coming along > and sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Sun, Jul 23, 2017 at 11:43 AM, Davide Piffer <[email protected]> > wrote: >> I have a df with a vector v. For each element of the vector, I want to >> know whether the i-2nd element is the same as the ith element. For >> example: >> given >> v=c(A,C,D,C) the result should be: >> FALSE,FALSE,FALSE,TRUE. >> >> I attempted something using indexing in a for loop such as (bad, >> incorrect example): >> for (i in v){ >> if [i]==[i-2] print T >> else print F >> } >> >> However, this is obviously wrong. >> Can someone provide a nice way to solve this? >> >> ______________________________________________ >> [email protected] 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.
______________________________________________ [email protected] 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.
