paul murima wrote:
>
>
> My problem is largely when i attempt to use correlation for my data...
> xcc <- cor(a);
>
> The error i get is as follows
>
> Error in cor(a) : missing observations in cov/cor
>
As Daniel suggested, it is always best to use the function's parameter to
handle NULLs. In other cases, it could help to do
a <- na.omit(a)
but be careful: this may throw away to many rows when you have more than 2
columns.
Dieter
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