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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48 lines
950 B
48 lines
950 B
4 years ago
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"use strict"
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var tape = require("tape")
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var ch = require("../ich")
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var sameCells = require("./util/normalize").compare
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function bowlHull(t, points, msg) {
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var tagged = points.map(function(p, i) {
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return [ p, i ]
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})
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var lifted = points.map(function(p) {
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return [ p, p*p ]
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})
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tagged.sort(function(a,b) {
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return a[0] - b[0]
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})
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var expectedCells = []
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for(var i=1; i<tagged.length; ++i) {
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expectedCells.push([tagged[i-1][1], tagged[i][1]])
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}
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expectedCells.push([tagged[tagged.length-1][1], tagged[0][1]])
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var hull = ch(lifted)
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sameCells(t, hull, expectedCells, msg)
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}
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tape("parabola", function(t) {
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//In order list
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var list = []
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for(var i=-10; i<=10; ++i) {
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list.push(i)
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}
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bowlHull(t, list, "ordered list")
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//Random cells
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for(var j=0; j<10; ++j) {
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var points = []
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for(var i=0; i<100; ++i) {
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points.push(Math.random())
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}
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bowlHull(t, points, "random")
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}
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t.end()
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})
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