This is my code , when i run it ,error happed . can you tell me what's the reason and modify it ?thank you very much !! the error is "evaluation of function gave a result of wrong length"
e2<-function(a) integrate(function(x) x,lower=0,upper=a)$value integrate(e2,lower=0, upper=0.5)$value [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org 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.