[R] R: Changing zeros to NAs in a data frame

Vito Ricci vito_ricci at yahoo.com
Tue Nov 16 18:20:37 CET 2004


Hi,

see this example. I hope I helped you a little bit.
Bye
Vito


dati
   X  Y    Z
1 10  0  "0"
2  0 20 "60"
3 30 40 "50"
4 11 12   3"

> dati[dati==0]<-NA
> dati

   X  Y    Z
1 10 NA  "0"
2 NA 20 "60"
3 30 40 "50"
4 11 12   3"




=====
Diventare costruttori di soluzioni
Became solutions' constructors

"The business of the statistician is to catalyze 
the scientific learning process."  
George E. P. Box


Visitate il portale http://www.modugno.it/
e in particolare la sezione su Palese http://www.modugno.it/archivio/cat_palese.shtml




More information about the R-help mailing list