Randomly Sample Rows from a Spark DataFrame

Source: R/sdf_interface.R

Draw a random sample of rows (with or without replacement) from a Spark DataFrame.

sdf_sample(x, fraction = 1, replacement = TRUE, seed = NULL)

Arguments

x

An object coercable to a Spark DataFrame.

fraction

The fraction to sample.

replacement

Boolean; sample with replacement?

seed

An (optional) integer seed.

See also

Other Spark data frames: sdf_copy_to(), sdf_distinct(), sdf_random_split(), sdf_register(), sdf_sort(), sdf_weighted_sample()