observation %in% ID --- Takatsugu Kobayashi <[EMAIL PROTECTED]> wrote:
> Hi RUsers, > > I am wonder if I can search observations whose IDs > matches any of the > values in another vector, such as in MySQL. While I > am learing MySQL for > future database management, I appreciate if anyone > could give me a hint. > > Suppose I have one 5*1 vector containing observation > IDs and > frequencies, and one 3*1 vector containing > observation IDs. > > observation<-c(1,2,3,4,5) > ID<-c(1,3,4) > > Then, I would like to program a code that returns a > results showing > matched observations like > > result: TRUE FALSE TRUE TRUE FALSE > > I am reading S programming, but I cannot find a way > to do this. > > Thank you very much. > > Taka > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > 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@stat.math.ethz.ch mailing list 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.
