[R] replacing NA for zero

[arun]

Hi,
Try this:
 dat1<-data.frame(x=1:8,y=c(NA,0.12,0.25,0.11,NA,0.16,0.20,NA))

 dat1[is.na(dat1)]<-0
 dat1
  x    y
1 1 0.00
2 2 0.12
3 3 0.25
4 4 0.11
5 5 0.00
6 6 0.16
7 7 0.20
8 8 0.00


A.K.




----- Original Message -----
From: Silvia Lucato <slucato at lycos.com>
To: r-help at r-project.org
Cc: 
Sent: Tuesday, June 12, 2012 5:55 PM
Subject: [R] replacing NA for zero


   Dear R users,



   I have a very basic query, but was unable to find a proper anwser.



   I have the following data.frame



   x     y

   2   0.12

   3   0.25

   4   0.11

   6   0.16
   7   0.20



   and, due to further calculations, I need the data to be stored as



   x     y

   1     0

   2   0.12

   3   0.25

   4   0.11

   5     0

   6   0.16
   7   0.20

   8    0



   How do I do the transformation?



   Many many thjanks in advance.
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