![]() ![]() # * Conditioning variables: county, state Exercise: try the divide function # * Other attributes: getKeys(), splitSizeDistn(), splitRowDistn(), summary() # names | fips(cha), time(Dat), nSold(num), and 2 more # Distributed data frame backed by 'kvMemory' connection (This kind of data division is very similar to the functionality provided by the plyr package) b圜ounty <- divide(housingDdf,īy = c("county", "state"), update = TRUE) Divide example b圜ounty #
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