Kuhn and Johnson (2013) describe a data set where characteristics of unix jobs were used to classify there completion times as either very fast (1 min or less, VF), fast (1–50 min, F), moderate (5–30 min, M), or long (greater than 30 min, L).
VF
F
M
L
a tibble
data(hpc_data) str(hpc_data)
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