[R] warnings

[Gabor Grothendieck]

Try this:

options(warn = 2)

Now rerun it and it will fail with an error at the point of the warning
and you can issue a:

traceback()

to find the exact point at which it failed so you can investigate further.

On 3/29/06, Sven Schaltenbrand <sven at schaltenbrand.de> wrote:
> dear list,
>
> i have a problem using the adaboost function from the package boost.
> running the example of leukemia works out very well, but so it does not on
> my own data.
>
> i always get the following 22 warnings:
>
> 1: cannot compute exact p-value with ties in: wilcox.test.default(x[which(y
> == 0)], x[which(y == 1)])
>
> can anybody please help me with the meaning of this warning.
>
> thnak you
>
> stefan
>
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