Had I just looked at flight$year > 2006, I would've seen what was up.
Thanks much Peter!
Cheers,
eric
P Ehlers wrote:
>
> [snip]
>
> flight$year > 2006 will return TRUE/FALSE, not row numbers. Try this:
>
> errors <- subset(flight, subset = year > 2006)
>
> Peter Ehlers
>
--
Eric Archer, Ph.D.
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