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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111 lines
1.5 KiB
111 lines
1.5 KiB
4 years ago
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"use strict"
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var tape = require("tape")
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var orientation = require("../orientation.js")
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tape("2d orientation", function(t) {
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t.equals(orientation(
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[0.1, 0.1],
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[0.1, 0.1],
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[0.3, 0.7]
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), 0)
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t.ok(orientation(
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[0,0],
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[-1e-64,0],
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[0,1]
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)>0)
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t.equals(orientation(
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[0,0],
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[1e-64,1e-64],
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[1,1]
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), 0)
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t.ok(orientation(
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[0,0],
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[1e-64,0],
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[0,1]
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)<0)
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var x = 1e-64
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for(var i=0; i<200; ++i) {
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t.ok(orientation(
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[-x, 0],
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[0, 1],
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[x, 0]
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)>0)
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t.equals(orientation(
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[-x, 0],
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[0, 0],
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[x, 0]
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), 0)
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t.ok(orientation(
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[-x, 0],
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[0, -1],
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[x, 0]
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)<0, "x=" + x)
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t.ok(orientation(
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[0, 1],
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[0, 0],
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[x, x]
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)<0, "x=" + x)
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x *= 10
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}
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t.end()
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})
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tape("3d orientation", function(t) {
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t.ok(orientation(
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[0, 0, 0],
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[1, 0, 0],
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[0, 1, 0],
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[0, 0, 1]
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) < 0)
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t.ok(orientation(
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[0, 0, 0],
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[1, 0, 0],
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[0, 0, 1],
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[0, 1, 0]
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) > 0)
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t.ok(orientation(
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[0, 0, 0],
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[1e-64, 0, 0],
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[0, 0, 1],
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[0, 1e64, 0]
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) > 0)
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t.end()
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})
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tape("4d orientation", function(t) {
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t.ok(orientation(
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[0,0,0,0],
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[1,0,0,0],
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[0,1,0,0],
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[0,0,1,0],
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[0,0,0,1]
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) > 0)
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t.end()
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})
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tape("5d orientation", function(t) {
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t.ok(orientation(
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[0,0,0,0,0],
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[1,0,0,0,0],
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[0,1,0,0,0],
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[0,0,1,0,0],
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[0,0,0,1,0],
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[0,0,0,0,1]
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) > 0)
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t.end()
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})
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