Hi,

I want to recode all Inf and NaN values to NA, but I;m surprised to see the 
result of the following code. Could anybody enlighten me about this? 

> df <- data.frame(a=c(NA, NaN, Inf, 1:3))
> df[is.infinite(df) | is.nan(df)] <- NA
> df
    a
1  NA
2 NaN
3 Inf
4   1
5   2
6   3
> 

 
Thanks!

Cheers!!
Albert-Jan


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