h2o.table | R Documentation |
Uses the cross-classifying factors to build a table of counts at each combination of factor levels.
h2o.table(x, y = NULL, dense = TRUE)
table.H2OFrame(x, y = NULL, dense = TRUE)
x |
An H2OFrame object with at most two columns. |
y |
An H2OFrame similar to x, or |
dense |
A logical for dense representation, which lists only non-zero counts, 1 combination per row. Set to FALSE to expand counts across all combinations. |
Returns a tabulated H2OFrame object.
## Not run:
library(h2o)
h2o.init()
prostate_path <- system.file("extdata", "prostate.csv", package = "h2o")
prostate <- h2o.uploadFile(path = prostate_path)
summary(prostate)
# Counts of the ages of all patients
head(h2o.table(prostate[, 3]))
h2o.table(prostate[, 3])
# Two-way table of ages (rows) and race (cols) of all patients
head(h2o.table(prostate[, c(3, 4)]))
h2o.table(prostate[, c(3, 4)])
## End(Not run)
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