Returns the first or last rows of an H2OFrame object.
h2o.head(x, n = 6L, m = 200L, ...) # S3 method for H2OFrame head(x, n = 6L, m = 200L, ...) h2o.tail(x, n = 6L, m = 200L, ...) # S3 method for H2OFrame tail(x, n = 6L, m = 200L, ...)
x | An H2OFrame object. |
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n | (Optional) A single integer. If positive, number of rows in x to return. If negative, all but the n first/last number of rows in x. |
m | (Optional) A single integer. If positive, number of columns in x to return. If negative, all but the m first/last number of columns in x. |
... | Ignored. |
An H2OFrame containing the first or last n rows and m columns of an H2OFrame object.
# NOT RUN { library(h2o) h2o.init(ip <- "localhost", port = 54321, startH2O = TRUE) australia_path <- system.file("extdata", "australia.csv", package = "h2o") australia <- h2o.uploadFile(path = australia_path) # Return the first 10 rows and 6 columns h2o.head(australia, n = 10L, m = 6L) # Return the last 10 rows and 6 columns h2o.tail(australia, n = 10L, m = 6L) # For Jupyter notebook with an R kernel, # view all rows of a data frame options(repr.matrix.max.rows = 600, repr.matrix.max.cols = 200) # }