sample: Sample n rows from a table

In hope-data-science/tidydt: Tidy Verbs for 'data.table'

Description

Analogous function for sample_n and sample_frac in dplyr.

Usage

sample_n_dt(data, size, replace = FALSE)

sample_frac_dt(data, size, replace = FALSE)

Arguments

data	data.frame
size	sample_n_dt(), the number of rows to select. For sample_frac_dt, the fraction of rows to select.
replace	Sample with or without replacement? Default uses FALSE.

Value

data.table

See Also

sample_n,sample_frac

Examples

sample_n_dt(mtcars, 10)
sample_n_dt(mtcars, 50, replace = TRUE)
sample_frac_dt(mtcars, 0.1)
sample_frac_dt(mtcars, 1.5, replace = TRUE)

hope-data-science/tidydt documentation built on Feb. 21, 2020, 10:25 a.m.