Get the number of factor levels for this frame.
h2o.nlevels(x)
x | An H2OFrame object. |
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nlevels
for the base R method.
# NOT RUN { library(h2o) h2o.init() f <- "https://s3.amazonaws.com/h2o-public-test-data/smalldata/junit/cars_20mpg.csv" cars <- h2o.importFile(f) h2o.nlevels(cars) # }