Get the number of factor levels for this frame.

Source: R/frame.R

Get the number of factor levels for this frame.

h2o.nlevels(x)

Arguments

x

An H2OFrame object.

See also

nlevels for the base R method.

Examples

if (FALSE) {
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)
}