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dbapi
2008 Oct 15
1
dbAppy questions/clarifications
In the example in the documentation, I see:
rs <- dbSendQuery(con,
"select Agent, ip_addr, DATA from pseudo_data order by Agent")
out <- dbApply(rs, INDEX = "Agent",
FUN = function(x, grp) quantile(x$DATA, names=FALSE))
Maybe I am a bit thick, but it took me a while, and a kind hint from Phil,
to figure much of this out.
It is clear that the SQL