isarn-sketches

License	Apache-2.0
GroupId	org.isarnproject
ArtifactId	isarn-sketches_2.12
Last Version	0.3.0
Release Date	Jun 29, 2020
Type	jar
Description	isarn-sketches isarn-sketches
Project URL	https://github.com/isarn/isarn-sketches
Project Organization	org.isarnproject
Source Code Management	https://github.com/isarn/isarn-sketches

Download isarn-sketches_2.12

Filename	Size
isarn-sketches_2.12-0.3.0.pom
isarn-sketches_2.12-0.3.0.jar	66 KB
isarn-sketches_2.12-0.3.0-sources.jar	8 KB
isarn-sketches_2.12-0.3.0-javadoc.jar	1 MB

How to add to project

Apache Maven

<!-- https://jarcasting.com/artifacts/org.isarnproject/isarn-sketches_2.12/ -->
<dependency>
    <groupId>org.isarnproject</groupId>
    <artifactId>isarn-sketches_2.12</artifactId>
    <version>0.3.0</version>
</dependency>

Gradle Groovy

// https://jarcasting.com/artifacts/org.isarnproject/isarn-sketches_2.12/
implementation 'org.isarnproject:isarn-sketches_2.12:0.3.0'

Gradle Kotlin

// https://jarcasting.com/artifacts/org.isarnproject/isarn-sketches_2.12/
implementation ("org.isarnproject:isarn-sketches_2.12:0.3.0")

Apache Buildr

'org.isarnproject:isarn-sketches_2.12:jar:0.3.0'

Apache Ivy

<dependency org="org.isarnproject" name="isarn-sketches_2.12" rev="0.3.0">
  <artifact name="isarn-sketches_2.12" type="jar" />
</dependency>

Groovy Grape

@Grapes(
@Grab(group='org.isarnproject', module='isarn-sketches_2.12', version='0.3.0')
)

Scala SBT

libraryDependencies += "org.isarnproject" % "isarn-sketches_2.12" % "0.3.0"

Leiningen

[org.isarnproject/isarn-sketches_2.12 "0.3.0"]

Dependencies

compile (4)

Group / Artifact	Type	Version
org.scala-lang : scala-library	jar	2.12.8
org.isarnproject : isarn-sketches-java	jar	0.3.0
org.isarnproject : isarn-algebra-api_2.12	jar	0.0.3
org.isarnproject : isarn-collections_2.12	jar	0.0.4

test (3)

Group / Artifact	Type	Version
org.isarnproject : isarn-scalatest_2.12	jar	0.0.3
org.scalatest : scalatest_2.12	jar	3.0.5
org.apache.commons : commons-math3	jar	3.6.1

Project Modules

There are no modules declared in this project.

isarn-sketches

Sketching data structures

API documentation

• https://isarn.github.io/isarn-sketches/scala/api/
• https://isarn.github.io/isarn-sketches/java/api/

Compatibility

isarn-sketches can operate with Algebird via the isarn-sketches-algebird-api

isarn-sketches can also operate with Apache Spark via the isarn-sketches-spark library

How to use in your project

// isarn-sketches
libraryDependencies += "org.isarnproject" %% "isarn-sketches" % "0.3.0"

// isarn-sketches-java
libraryDependencies += "org.isarnproject" % "isarn-sketches-java" % "0.3.0"

t-digest

scala> import org.isarnproject.sketches.TDigest
import org.isarnproject.sketches.TDigest

scala> val data = Vector.fill(10000) { scala.util.Random.nextGaussian() }
data: scala.collection.immutable.Vector[Double] = Vector(1.6046163970051968, 0.44151418924289004, ...

scala> val sketch = TDigest.sketch(data)
sketch: org.isarnproject.sketches.TDigest = TDigest(0.5,0,74,TDigestMap(-3.819069044174932 -> (1.0, 1.0), ...

scala> sketch.cdf(0)
res0: Double = 0.4984362744530557

scala> sketch.cdfInverse(0.5)
res1: Double = 0.0038481195948969205

t-digest resources

• Original paper: Computing Extremely Accurate Quantiles Using t-Digests
• Video Talk: Sketching Data with T-Digest In Apache Spark

The Isarn Project

Enhancements to the Scala library ecosystem

Versions

Version
0.3.0 Jun 29, 2020
0.2.2 Mar 16, 2019
0.2.1 Mar 15, 2019
0.2.0 Mar 14, 2019
0.1.2 Aug 7, 2018