[R] fast NA elimination ?

Marc Schwartz MSchwartz at MedAnalytics.com
Wed Jul 7 16:41:39 CEST 2004

On Wed, 2004-07-07 at 09:35, ivo welch wrote:
> dear R wizards: an operation I execute often is the deletion of all 
> observations (in a matrix or data set) that have at least one NA. (I 
> now need this operation for kde2d, because its internal quantile call 
> complains;  could this be considered a buglet?)   usually, my data sets 
> are small enough for speed not to matter, and there I do not care 
> whether my method is pretty inefficient (ok, I admit it: I use the 
> sum() function and test whether the result is NA)---but now I have some 
> bigger data sets. Is there a recommended method of doing NA elimination 
> most efficiently? sincerely, /iaw
> ---
> ivo welch
> professor of finance and economics
> brown / nber / yale

Take a look at ?complete.cases


Marc Schwartz

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