smile scatter swing visualization / published by https://github.com/dacr/code-examples-manager #5ddf60b5-e2d9-4740-9f32-11b8254f54e5/99d615f8ef550be8919960dd9ab94f8c46e1d6f9

visualization-swing-scatter.sc

// summary : smile scatter swing visualization
// keywords : smile, chart, visualization, scatter, swing
// publish : gist
// authors : David Crosson
// license : Apache License Version 2.0 (https://www.apache.org/licenses/LICENSE-2.0.txt)
// id : 5ddf60b5-e2d9-4740-9f32-11b8254f54e5
// created-on : 2021-03-05T09:23:01Z
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala "3.4.2"
//> using dep "com.github.pathikrit::better-files:3.9.2"
//> using dep "com.github.haifengl::smile-scala:3.1.1"
//> using dep "org.bytedeco:javacpp-platform:1.5.10"
//> using dep "org.bytedeco:javacpp:1.5.10,classifier=linux-x86_64"
//> using dep "org.bytedeco:arpack-ng:3.9.1-1.5.10,classifier=linux-x86_64"
//> using dep "org.bytedeco:openblas:0.3.26-1.5.10,classifier=linux-x86_64"
//> using dep "org.slf4j:slf4j-nop:2.0.13"
//> using dep "com.lihaoyi::requests:0.9.0"
// ---------------------

/*
sudo apt-get install libopenblas-dev libopenblas-base
*/

import scala.language.postfixOps
import better.files._
import smile.read
import smile.util._
import smile.math._
import smile.math.MathEx._
import smile.math.distance._
import smile.data._
import smile.data.formula._
import smile.data.measure._
import smile.data.`type`._

import smile.regression._
import smile.stat.distribution._
import smile.io._

//import smile.plot.vega._ // FOR VEGA RENDERING
import smile.plot.swing._ // FOR SWING RENDERING
import smile.plot.show

// examples coming from http://haifengl.github.io/visualization.html

implicit val renderer:Canvas=>Unit = JWindow.apply

// --------------------------------------------------------------------

val inputFileName = "iris.arff"
val inputFile = inputFileName.toFile
if (inputFile.notExists) {
  val url = "https://gist.githubusercontent.com/myui/143fa9d05bd6e7db0114/raw/500f178316b802f1cade6e3bf8dc814a96e84b1e/iris.arff"
  for {out <- inputFile.newOutputStream.autoClosed} {requests.get(url).writeBytesTo(out)}
}
// --------------------------------------------------------------------

val iris = read.arff("iris.arff")
println(iris.summary())

// --------------------------------------------------------------------
{
  val canvas = plot(iris, "sepallength", "sepalwidth", "petallength", "class", '*')
  canvas.setAxisLabels("sepallength", "sepalwidth", "petallength")
  show(canvas)
}
// --------------------------------------------------------------------
{
  show(plot(iris, "sepallength", "petallength", "class", '*'))
}
// --------------------------------------------------------------------


println("enter to exit"); scala.io.StdIn.readLine()