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Generator method for creating a single-column Spark dataframes comprised of i.i.d. samples from a Poisson distribution.

Usage

sdf_rpois(sc, n, lambda, num_partitions = NULL, seed = NULL, output_col = "x")

Arguments

sc

A Spark connection.

n

Sample Size (default: 1000).

lambda

Mean, or lambda, of the Poisson distribution.

num_partitions

Number of partitions in the resulting Spark dataframe (default: default parallelism of the Spark cluster).

seed

Random seed (default: a random long integer).

output_col

Name of the output column containing sample values (default: "x").