[R] How insert data to a column in existing csv file?

[Yellow]

Hi everyone, 

I read your messages and I tried some things out. 
The Data2 is filled with NA. 
So what I did was: 

NameFile.csv$Data2[is.na(NameFile.csv$Data2)] = log2Values 

And now it worked. :) 
Seems like I needed to replace it, and not only write it. 

Thanks.  

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