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...column with a floating point value on each row. Second question: Is it possible to construct an extension that facilitates the import of data from databases, e.g. postgresql? (or does it already exist?) I have something like > DataF <- read.fromDB ("select aaa, bbb from data", dbURL) in mind, given that dbURL is the URL of a database accessible over jdbc, odbc and alike, for example? (a separate connect-to-db-function to handle database access/connect is more realistic, of course). There would have to be an interface which connects to the db, executes the query by passing the...