Witold Eryk Wolski <wolski <at> molgen.mpg.de> writes: : : Hi, : : How to add values to an array at any position. : Asking because of the following: : e.g. : : y<-c(0.1,NaN,0.2,NaN) #or data frame : : x<-na.omit(y) : : take some columns from x and : do some computation with functions which do not allow NaN 's. : : After the computing add NaN's at positions stored in : attr(x,"na.action") : of the result vector.
The following adds one to each element of x and reinserts them into y: y[-attr(x,"na.action")] <- x+1 ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html