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updaterows
2007 Jun 05
2
Problems with Merge
...tExcel(UpdateFile)
sqlTables(chn)
UpdateData <- sqlFetch(chn,"MCap243")
colnames(UpdateData) <- gsub("#",".",colnames(UpdateData))
close(chn)
# specify just how many rows we need from the Update file. We'd only
read five
# rows at a time.
UpdateRows = 20
UpdateData <- UpdateData[1:UpdateRows,]
# Delete Unwanted stocks.
UpdateData <- UpdateData[,!names(UpdateData) %in% ToBeDeleted]
x <- tail(UpdateData[c("Date","ABAN.BO")],n=50)
print(x)
Gives x as:
Date ABAN.BO
1 2007-04-30 96448.4...