On Aug 7, 2012, at 2:30 PM, Rich Shepard wrote:
Some chemicals have concentrations at or below the method detection
limit
(MDL; 'less-thans') of 0.005 mg/L. When I look at the data frame
that is how
the concentration is displayed. But, when I ask for a summary() of
that data
frame column only 0 is displayed.
How can I adjust the number of digits displayed by functions such as
summary()?
Before you hit "Send" on a post you should check to see that you have
included data and code. Otherwise you are asking us to just guess at
what you did.
--
David Winsemius, MD
Alameda, CA, USA
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