h2o (version 3.2.0.3)

h2o.table: Cross Tabulation and Table Creation in H2O

Description

Uses the cross-classifying factors to build a table of counts at each combination of factor levels.

Usage

h2o.table(x, y = NULL)

Arguments

x

An H2OFrame object with at most two columns.

y

An H2OFrame similar to x, or NULL.

Value

• Returns a tabulated H2OFrame object.

Examples

library(h2o)
localH2O <- h2o.init()
prosPath <- system.file("extdata", "prostate.csv", package="h2o")
prostate.hex <- h2o.uploadFile(localH2O, path = prosPath, destination_frame = "prostate.hex")
summary(prostate.hex)

# Counts of the ages of all patients
head(h2o.table(prostate.hex[,3]))
h2o.table(prostate.hex[,3])

# Two-way table of ages (rows) and race (cols) of all patients
head(h2o.table(prostate.hex[,c(3,4)]))
h2o.table(prostate.hex[,c(3,4)])

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