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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67 lines
1.5 KiB
67 lines
1.5 KiB
'use strict';
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var utils = require('./utils');
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function toGenerator(name, val, options, parent) {
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var Generator = parent.constructor;
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var generator = val;
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if (utils.isValidInstance(val)) {
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generator.constructor = Generator;
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} else {
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generator = new Generator();
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}
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var fn = decorate(name, val, options, parent);
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generator.use(fn);
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// cache the generator
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parent.generators[generator.alias] = generator;
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parent.generators[generator.name] = generator;
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parent.generators[name] = generator;
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parent.emit('generator', generator);
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return generator;
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}
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function decorate(name, val, options, parent) {
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return function(app) {
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utils.merge(this.options, parent.options);
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this.is('generator');
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this.isApp = true;
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this.define('parent', parent);
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parent.run(this);
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this.on('error', parent.emit.bind(parent, 'error'));
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Object.defineProperty(this, 'env', {
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configurable: true,
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get: function() {
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return parent.createEnv(name, val, this.options);
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}
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});
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Object.defineProperty(this, 'alias', {
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configurable: true,
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get: function() {
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return this.env.alias;
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}
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});
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Object.defineProperty(this, 'name', {
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configurable: true,
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get: function() {
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return this.env.name;
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}
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});
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this.define('isMatch', function() {
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return this.env.isMatch.apply(this.env, arguments);
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});
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this.define('invoke', function(context, options) {
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return this.env.invoke.apply(this.env, arguments);
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});
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};
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}
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module.exports = toGenerator;
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