catch error/warning message in a loop
cat can only catch the error message promptly, but seems not able to catch the warning message promptly. Can anyone point out how i can catch the warning message in a loop?
--- Spencer Graves <spencer.graves at PDF.COM> wrote:
With situations like this, I often include something like "cat(i, '')" in the loop (where "i" is the index of the loop). If I'm writing a function to be used by others, I might use "try", as described, e.g. in Venables and Ripley (2000) S Programming (p. 48). hth. spencer graves array chip wrote:
Hi, I am running cox regreesion (coxph) on a large number of independent variables, one variable at a time, using loop. At some point of the loop, the
cox
regression stopped due to some errors. How can I
know
at which variable the cox regression stopped so
that I
can pinpoint the variable that causes the problem?
I
guess this is not unique to cox regression, it is
the
problem of catching the error/warning message
promptly
in a loop. tahnks
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