Nothing
require("tfplot")
require("TSmisc2")
cat("************** connecting to Quandl\n")
con <- TSconnect("Quandl", dbname="NSE")
oilz <- TSget("OIL", con, start=as.Date("2001-01-01"), quote="Close")
oilz <- TSget("OIL", con, start="2002-01-01", TSrepresentation="zoo")
oilx <- TSget("OIL", con, start=as.Date("2001-01-01"), TSrepresentation="xts")
if(! all(start(oilz) == start(oilx)))
stop("oil xts and zoo start dates do not compare.")
end(oilz)
tfplot(oilz, graphs.per.page=3)
require("zoo") # for coredata but not for above
if (max(abs(coredata(oilz) - coredata(oilx))) > 1e-6 )
stop("oil xts and zoo coredata do not compare.")
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