stephen sefick wrote:
This is what I would like to do and it works just fine.  Is there a way to
shorten this code so I don't have to subset a subset of a subset?

d<-subset(subset(subset(subset(x, River.Mile<=202), River.Mile>3),
Lagrangian=="Yes"), EventType=="Regular")

Stephen
"&" is your friend:

d<-subset(x, River.Mile<=202 & River.Mile>3 &
            Lagrangian=="Yes" & EventType=="Regular")




--
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 c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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