On Wed, Oct 27, 2010 at 3:07 PM, Susanta Mohapatra
<mohapatra.susa...@gmail.com> wrote:
> I have one more pattern to take care of.
> What is happening is that if a string like "10 minutes and 30 seconds" comes
> for parsing then the function generates 2 values both for 10 minutes and for
> 30 seconds and the result list then has 2 elements. So when I use unlist
> function then try to merge with the original dataset from which the input
> vector was extracted then i get row mismatch.
> I think i have to parse data till i get 10,000 data. Any help in this regard
> is appreciated.
Preprocess with the following which simplifies the offending phrase so
that it can be handled by the prior code.
y <- c("3 minutes and 20 seconds", "3 hrs")
x <- gsubfn("(\\d+) minutes and (\\d+) seconds", function(m, s)
paste(60 * as.numeric(m) + as.numeric(s), "seconds"), y)
and then feed x into your existing code.
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