GroupedSampleFracAtLeastOneSample: Fraction Sampling without empty output

In GuessCompx: Empirically Estimates Algorithm Complexity

Description

Sample a random proportion of the data, keeping at least one observation

Usage

GroupedSampleFracAtLeastOneSample(d_subset, prop, is.random = TRUE)

Arguments

d_subset	A dtta.frame from which a small sample is to be returned
prop	A number between 0 and 1, being the desired sampling fraction.
is.random	a boolean. If TRUE, a random sample is drawn, else it takes the head() of the data

Details

This function is designed to allow its use with group splitting or do.by methods.

Value

A random sample from the data, of proportion prop, but always returning at least one observation even if prop is too low.

GuessCompx documentation built on June 3, 2019, 5:04 p.m.