sdf_sample

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

R interface to Apache Spark, a fast and general
engine for big data processing, see <https://spark.apache.org/>. This
package supports connecting to local and remote Apache Spark clusters,
provides a 'dplyr' compatible back-end, and provides an interface to
Spark's built-in machine learning algorithms.

Edgar Ruiz

sparklyr

R Interface to Apache Spark

Javier Luraschi

Kevin Kuo

Kevin Ushey

JJ Allaire

Samuel Macedo

Hossein Falaki

Lu Wang

Andy Zhang

Yitao Li

Jozef Hajnala

Maciej Szymkiewicz

Wil Davis

 RStudio

 The Apache Software Foundation

sdf_sample function

<dl><dt>x</dt>
<dd>An object coercable to a Spark DataFrame.</dd>
<dt>fraction</dt>
<dd>The fraction to sample.</dd>
<dt>replacement</dt>
<dd>Boolean; sample with replacement?</dd>
<dt>seed</dt>
<dd>An (optional) integer seed.</dd></dl>

Arguments

Randomly Sample Rows from a Spark DataFrame — sdf_sample

<dl>

<dt>x</dt>
<dd>An object coercable to a Spark DataFrame.</dd>


<dt>fraction</dt>
<dd>The fraction to sample.</dd>


<dt>replacement</dt>
<dd>Boolean; sample with replacement?</dd>


<dt>seed</dt>
<dd>An (optional) integer seed.</dd>

</dl>

Randomly Sample Rows from a Spark DataFrame

sdf_sample: Randomly Sample Rows from a Spark DataFrame

Description

Usage

Arguments

See Also