[R] Missing Value And cor() function

Thomas Lumley tlumley at u.washington.edu
Thu Apr 24 17:34:59 CEST 2003

On Thu, 24 Apr 2003 vincent.stoliaroff at socgen.com wrote:

> Hi r lovers!
> I 'd like to apply the cor() function to a matrix which have some
> missing values As a matter of fact and quite logically indeed it doesn't
> work Is there a trick to replace the missing value by the mean of each
> variable or by any other relevant figures ? Or should I apply a special
> derivate of the cor() function, (I don't have any idea if it exists and
> have some trouble to figure out how it could) to skip this trouble?

The cor() function has two options for handling missing values, which are
described on its help page.


More information about the R-help mailing list