```
if (FALSE) {
library(h2o)
h2o.init()
df <- h2o.createFrame(rows = 1, cols = 256, randomize = TRUE, value = 0,
real_range = 100, categorical_fraction = 0, factors = 0,
integer_fraction = 0, integer_range = 100, binary_fraction = 0,
binary_ones_fraction = 0, time_fraction = 0, string_fraction = 0,
missing_fraction = 0, has_response = FALSE, seed = 123)
df2 <- h2o.cumsum(df, axis = 1)
h2o.isax(df2, num_words = 10, max_cardinality = 10)
}
```

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