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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61 lines
1.9 KiB
61 lines
1.9 KiB
4 years ago
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'use strict';
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var GridIndex = require('../grid-index');
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var test = require('tap').test;
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test('GridIndex', function(t) {
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t.test('indexes features', function(t) {
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var grid = new GridIndex(100, 4, 1);
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grid.insert(0, 4, 10, 6, 30);
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grid.insert(1, 4, 10, 30, 12);
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grid.insert(2, -10, 30, -5, 35);
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t.deepEqual(grid.query(4, 10, 5, 11).sort(), [0, 1]);
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t.deepEqual(grid.query(24, 10, 25, 11).sort(), [1]);
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t.deepEqual(grid.query(40, 40, 100, 100), []);
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t.deepEqual(grid.query(-6, 0, -7, 100), [2]);
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t.deepEqual(grid.query(-Infinity, -Infinity, Infinity, Infinity).sort(), [0, 1, 2]);
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t.end();
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});
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t.test('returns multiple copies of a key if multiple boxes were inserted with the same key', function(t) {
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var grid = new GridIndex(100, 4, 0);
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var key = 123;
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grid.insert(key, 3, 3, 4, 4);
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grid.insert(key, 13, 13, 14, 14);
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grid.insert(key, 23, 23, 24, 24);
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t.deepEqual(grid.query(0, 0, 30, 30), [key, key, key]);
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t.end();
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});
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t.test('serializing to an arraybuffer', function(t) {
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var originalGrid = new GridIndex(100, 4, 1);
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originalGrid.insert(0, 4, 10, 6, 30);
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originalGrid.insert(1, 4, 10, 30, 12);
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originalGrid.insert(2, -10, 30, -5, 35);
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var arrayBuffer = originalGrid.toArrayBuffer();
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var grid = new GridIndex(arrayBuffer);
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t.deepEqual(grid.query(4, 10, 5, 11).sort(), [0, 1]);
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t.deepEqual(grid.query(24, 10, 25, 11).sort(), [1]);
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t.deepEqual(grid.query(40, 40, 100, 100), []);
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t.deepEqual(grid.query(-6, 0, -7, 100), [2]);
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t.deepEqual(grid.query(-Infinity, -Infinity, Infinity, Infinity).sort(), [0, 1, 2]);
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var exception = null;
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try {
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t.insert(3, 0, 0, 0, 0);
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} catch(e) {
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exception = e;
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}
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t.notEqual(exception, null);
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t.end();
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});
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t.end();
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});
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