Converting From internal data.frame to external data.frame
What is the appropriate usage of the RevoScaleR function to convert an in-memory data.frame object into an on-disk external data.frame (.xdf) file?
This exercise is part of the course
Big Data Analysis with Revolution R Enterprise
Exercise instructions
A) RXDataFrameToXdf(data = internal.df, output = “mynew.xdf”),B) rxDataFrameToXDF(data = internal.df, outFile = “mynew.xdf”),C) rxDataFrameToXdf(data = internal.df, output = “mynew.xdf”),D) rxDataFrameToXdf(data = internal.df, outFile = “mynew.xdf”)
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