[R] substitute NA values

[Uwe Ligges]

See ?is.na and use its result for indexing.

Uwe Ligges

Sergio Della Franca wrote:
> Dearl R-Helpers,
> 
> 
> I have the following data set:
> 
> YEAR   PRODUCTS
> 1990     2478
> 1995     3192
> 2000     NA
> 2005     1594
> 
> 
> I wanto to replace NA values, in the PRODUCTS column, with 0.
> 
> 
> How can i obtain this?
> 
> 
> Thak you in advance.
> 
> 
> Sergio Della Franca
> 
> 	[[alternative HTML version deleted]]
> 
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