if (FALSE) {
library(h2o)
h2o.init()
frame_with_nas <- h2o.createFrame(rows = 6, cols = 2,
categorical_fraction = 0.0,
missing_fraction = 0.7,
seed = 123)
frame <- h2o.fillna(frame_with_nas, "forward", axis = 1, maxlen = 2L)
}
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