Displaying 1 result from an estimated 1 matches for "informationsvidenskabelige".
2011 Oct 19
2
listing all occurrences in a vector
...data.frame(c(2,3,2,5),c(1,2,3,1))
> colnames(a)=c("DEPTH","NUMBER")
I want a column or a vector where all the DEPTHs are listed: 2, 3, 3, 2, 2, 2, 5 (NUMBER=1 in all cases).
Is there any simple solution to the problem?
Thanks,
Jonas
Jonas Fransson
Ph.D.stud.
?
IVA /?Det Informationsvidenskabelige Akademi
Royal School of Library and Information Science
Birketinget 6
DK-2300 Copenhagen S
T +45 32 58 60 66
D +45 32 34 15 10
www.iva.dk/jf?