[R] Replace NaN with zero

Uwe Ligges ligges at statistik.tu-dortmund.de
Tue Nov 25 10:01:23 CET 2008

Spilak,Jacqueline [Edm] wrote:
> I need help with replacing NaN with zero (the value '0') in my dataset.
> The reason is that I can't get it to graph because of the NaN in the
> dataset.  I have tried: 
> data[is.nan(data)] <- 0

Since data is a data.frame and not a matrix, you might want to loop over 
  its columns and apply your replacement for each column separately.

Uwe Ligges

> that others have suggested in the help archives but this does nothing so
> I am not sure what I am doing wrong.
> Thanks in advance for your help. 
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