if (FALSE) {
library(h2o)
h2o.init()
f <- "https://s3.amazonaws.com/h2o-public-test-data/smalldata/iris/iris_wheader.csv"
iris <- h2o.importFile(f)
iris_char <- h2o.ascharacter(iris["class"])
h2o.ischaracter(iris_char)
}
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