p-Function for Empirical Distributions

Does R have a p-function for empirical distributions? In other words,
how can I find out what fraction of the values in my data set are
smaller than a given value?
Maybe
sum(x <= crit) / length(x)
Cheers,
Peter

P?ter S?lymos
Alberta Biodiversity Monitoring Institute
Department of Biological Sciences
CW 405, Biological Sciences Bldg
University of Alberta
Edmonton, Alberta, T6G 2E9, Canada
email <- paste("solymos", "ualberta.ca", sep = "@")
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Jane Shevtsov
Ecology Ph.D. candidate, University of Georgia
co-founder, <www.worldbeyondborders.org>
Check out my blog, <http://perceivingwholes.blogspot.com>Perceiving Wholes

"The whole person must have both the humility to nurture the
Earth and the pride to go to Mars." --Wyn Wachhorst, The Dream
of Spaceflight

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p-Function for Empirical Distributions

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