[R] dataframe operation

[Mike Prager]

Hint:  Try 

?subset

at the R prompt



"Indermaur Lukas" <Lukas.Indermaur at eawag.ch> wrote:

> hi
> i have a dataframe "a" which looks like:
>  
> column1, column2, column3
> 10,12, 0
> NA, 0,1
> 12,NA,50
>  
> i want to replace all values in column1 to column3 which do not contain "NA" with values of vector "b" (100,200,300).
>  
> any idea i can do it?
>  
> i appreciate any hint

-- 
Mike Prager, NOAA, Beaufort, NC
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