Hi > > my qustion is if my miss value in my dataset is -9999 > for example : > 1 3 21 33 -9999 23 33 -9999 > how can I plot or analysis this dataset ignoring the missing value ? thanks > .
Use NA instead of -9999 and things will get better x<-as.numeric(read.table(textConnection("1 3 21 33 -9999 23 33 -9999"))) y<- sample(x, 1000, replace=T) plot(y) y[y== -9999]<-NA plot(y) Regards Petr > > -- > TANG Jie > > [[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. ______________________________________________ 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.