3 messages · sagarnikam123, R. Michael Weylandt, jim holtman
h<-array() h
[1] NA
append(h,9)
[1] NA 9 but what it append.........
h
[1] NA -- View this message in context: http://r.789695.n4.nabble.com/how-to-append-element-at-last-position-in-array-dynamically-tp4427893p4427893.html Sent from the R help mailing list archive at Nabble.com.
You need to reassign the value of append back to h -- in more technical terms, this is a pass-by-value rather than pass-by-reference behavior: h <- append(h, 9) This is not likely to be efficient in production code, however. Michael
h<-array() h
[1] NA
append(h,9)
[1] NA ?9 but what it append.........
h
[1] NA -- View this message in context: http://r.789695.n4.nabble.com/how-to-append-element-at-last-position-in-array-dynamically-tp4427893p4427893.html Sent from the R help mailing list archive at Nabble.com.
______________________________________________ R-help at 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.
'append' returns a value that you have assign back to the object you want, in this case 'h' h <- append(h, 9)
h<-array() h
[1] NA
append(h,9)
[1] NA ?9 but what it append.........
h
[1] NA -- View this message in context: http://r.789695.n4.nabble.com/how-to-append-element-at-last-position-in-array-dynamically-tp4427893p4427893.html Sent from the R help mailing list archive at Nabble.com.
______________________________________________ R-help at 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.
Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it.