StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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105 lines
1.9 KiB
105 lines
1.9 KiB
4 years ago
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"use strict"
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var simplify = require("../simplify")
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var tape = require("tape")
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tape("simplify-2d-complex", function(t) {
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t.same(simplify([[0,1]], [
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[0, 0],
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[1,0]
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], 100),
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{ positions: [[0,0], [1,0]],
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edges: [[0,1]]
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})
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t.same(simplify([[0,1], [1,2]], [
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[0, 0],
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[0.5, 0],
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[1,0]
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], 100),
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{ positions: [[0,0], [1,0]],
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edges: [[0,1]]
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})
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t.same(simplify([[0,1], [0,2], [0,3], [0,4]], [
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[0, 0],
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[-1, 0],
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[1,0],
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[0,-1],
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[0,1]
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], 100),
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{ positions: [[0, 0],
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[-1, 0],
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[1,0],
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[0,-1],
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[0,1]],
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edges: [[0,1], [0,2], [0,3], [0,4]]
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})
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t.same(simplify([[0,1], [0,2], [0,3], [0,4],[1,5], [2,6], [3,7], [4,8]], [
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[0, 0],
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[-1, 0],
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[1,0],
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[0,-1],
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[0,1],
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[-2, 0],
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[2,0],
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[0,-2],
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[0,2]
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], 100),
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{ positions: [[0, 0],
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[-2, 0],
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[2,0],
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[0,-2],
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[0,2]],
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edges: [[0,1], [0,2], [0,3], [0,4]]
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}, "non-manifold")
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t.same(simplify([[0,1], [1,2], [2,0]],
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[[0,0],
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[1,0],
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[0,1]],
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0.1
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),{
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positions: [[0,0], [1,0], [0,1]],
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edges: [[0,1], [2,0], [1,2]]
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})
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t.same(simplify([[0,1], [1,2], [2,0]],
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[[0,0],
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[1,0],
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[0,1]],
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100000.0
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),{
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positions: [],
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edges: []
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})
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//Test line simplification
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for(var j=0; j<100; ++j) {
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var theta = 2.0 * Math.PI * j / 100.0
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var dx = Math.cos(theta)
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var dy = Math.sin(theta)
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for(var k=0; k<5; ++k) {
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var w = k / 200.0
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var points = []
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var cells = []
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for(var i=0; i<100; ++i) {
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points.push([i*dx + w*Math.random(), i*dy + w*Math.random()])
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if(i > 0) {
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cells.push([i-1, i])
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}
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}
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t.same(simplify(cells, points, 1), {
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positions: [points[0], points[points.length-1]],
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edges: [[0,1]]
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}, "angle=" + theta + " var=" + w)
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}
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}
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//Test non-manifold simplification
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t.end()
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})
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