June 2017
Beginner to intermediate
576 pages
15h 22m
English
To illustrate this, let's first take a 50% sample of the stop and frisk dataframe. We also want to make sure that the amount of data we extract can be processed easily by base R, which has a memory limitation that is dependent upon the CPU size.
dflocal = collect(sample(df, F,.50,123)) str(dflocal)
